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Finding the Fourth Proportional to 543,066.92, 750,333.44 and 429,218.53

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Solution

The fourth proportional to 543,066.92, 750,333.44 and 429,218.53 is: 593,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,066.92 : 750,333.44 = 429,218.53 : x
  2. Step 2: Convert to fraction form
    543,066.92/750,333.44 = 429,218.53/x
  3. Step 3: Cross multiply
    543,066.92x = 750,333.44 × 429,218.53
  4. Step 4: Simplify right side
    543,066.92x = 322,057,019,394.70
  5. Step 5: Solve for x
    x = 322,057,019,394.70/543,066.92
  6. Step 6: Final answer
    x = 593,033.77

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Double scale
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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.