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Finding the Fourth Proportional to 372,547.54, 558,915.63 and 106,309

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Solution

The fourth proportional to 372,547.54, 558,915.63 and 106,309 is: 159,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,547.54 : 558,915.63 = 106,309 : x
  2. Step 2: Convert to fraction form
    372,547.54/558,915.63 = 106,309/x
  3. Step 3: Cross multiply
    372,547.54x = 558,915.63 × 106,309
  4. Step 4: Simplify right side
    372,547.54x = 59,417,761,709.67
  5. Step 5: Solve for x
    x = 59,417,761,709.67/372,547.54
  6. Step 6: Final answer
    x = 159,490.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.