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Finding the Fourth Proportional to 438,545.86, 605,193.36 and 237,341.86

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Solution

The fourth proportional to 438,545.86, 605,193.36 and 237,341.86 is: 327,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,545.86 : 605,193.36 = 237,341.86 : x
  2. Step 2: Convert to fraction form
    438,545.86/605,193.36 = 237,341.86/x
  3. Step 3: Cross multiply
    438,545.86x = 605,193.36 × 237,341.86
  4. Step 4: Simplify right side
    438,545.86x = 143,637,715,319.03
  5. Step 5: Solve for x
    x = 143,637,715,319.03/438,545.86
  6. Step 6: Final answer
    x = 327,531.80

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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.