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Finding the Fourth Proportional to 682,545.01, 942,253.11 and 424,505.13

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Solution

The fourth proportional to 682,545.01, 942,253.11 and 424,505.13 is: 586,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,545.01 : 942,253.11 = 424,505.13 : x
  2. Step 2: Convert to fraction form
    682,545.01/942,253.11 = 424,505.13/x
  3. Step 3: Cross multiply
    682,545.01x = 942,253.11 × 424,505.13
  4. Step 4: Simplify right side
    682,545.01x = 399,991,278,953.45
  5. Step 5: Solve for x
    x = 399,991,278,953.45/682,545.01
  6. Step 6: Final answer
    x = 586,029.16

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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.