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Finding the Fourth Proportional to 438,061.92, 604,525.68 and 236,857.92

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Solution

The fourth proportional to 438,061.92, 604,525.68 and 236,857.92 is: 326,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,061.92 : 604,525.68 = 236,857.92 : x
  2. Step 2: Convert to fraction form
    438,061.92/604,525.68 = 236,857.92/x
  3. Step 3: Cross multiply
    438,061.92x = 604,525.68 × 236,857.92
  4. Step 4: Simplify right side
    438,061.92x = 143,186,695,151.39
  5. Step 5: Solve for x
    x = 143,186,695,151.39/438,061.92
  6. Step 6: Final answer
    x = 326,864.05

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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.