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Finding the Fourth Proportional to 292,423.36, 403,545.56 and 158,287.36

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Solution

The fourth proportional to 292,423.36, 403,545.56 and 158,287.36 is: 218,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,423.36 : 403,545.56 = 158,287.36 : x
  2. Step 2: Convert to fraction form
    292,423.36/403,545.56 = 158,287.36/x
  3. Step 3: Cross multiply
    292,423.36x = 403,545.56 × 158,287.36
  4. Step 4: Simplify right side
    292,423.36x = 63,876,161,332.12
  5. Step 5: Solve for x
    x = 63,876,161,332.12/292,423.36
  6. Step 6: Final answer
    x = 218,437.27

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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.