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Finding the Fourth Proportional to 550,336.59, 758,436.12 and 429,286.14

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Solution

The fourth proportional to 550,336.59, 758,436.12 and 429,286.14 is: 591,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,336.59 : 758,436.12 = 429,286.14 : x
  2. Step 2: Convert to fraction form
    550,336.59/758,436.12 = 429,286.14/x
  3. Step 3: Cross multiply
    550,336.59x = 758,436.12 × 429,286.14
  4. Step 4: Simplify right side
    550,336.59x = 325,586,114,391.38
  5. Step 5: Solve for x
    x = 325,586,114,391.38/550,336.59
  6. Step 6: Final answer
    x = 591,612.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.