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Finding the Fourth Proportional to 591,060.10, 886,590.15 and 342,228.10

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Solution

The fourth proportional to 591,060.10, 886,590.15 and 342,228.10 is: 513,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,060.10 : 886,590.15 = 342,228.10 : x
  2. Step 2: Convert to fraction form
    591,060.10/886,590.15 = 342,228.10/x
  3. Step 3: Cross multiply
    591,060.10x = 886,590.15 × 342,228.10
  4. Step 4: Simplify right side
    591,060.10x = 303,416,062,513.22
  5. Step 5: Solve for x
    x = 303,416,062,513.22/591,060.10
  6. Step 6: Final answer
    x = 513,342.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.