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Finding the Fourth Proportional to 438,547.61, 605,196.29 and 237,343.61

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Solution

The fourth proportional to 438,547.61, 605,196.29 and 237,343.61 is: 327,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,547.61 : 605,196.29 = 237,343.61 : x
  2. Step 2: Convert to fraction form
    438,547.61/605,196.29 = 237,343.61/x
  3. Step 3: Cross multiply
    438,547.61x = 605,196.29 × 237,343.61
  4. Step 4: Simplify right side
    438,547.61x = 143,639,472,227.21
  5. Step 5: Solve for x
    x = 143,639,472,227.21/438,547.61
  6. Step 6: Final answer
    x = 327,534.50

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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.