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Finding the Fourth Proportional to 709,264.56, 1,064,208.76 and 372,226

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Solution

The fourth proportional to 709,264.56, 1,064,208.76 and 372,226 is: 558,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,264.56 : 1,064,208.76 = 372,226 : x
  2. Step 2: Convert to fraction form
    709,264.56/1,064,208.76 = 372,226/x
  3. Step 3: Cross multiply
    709,264.56x = 1,064,208.76 × 372,226
  4. Step 4: Simplify right side
    709,264.56x = 396,126,169,899.76
  5. Step 5: Solve for x
    x = 396,126,169,899.76/709,264.56
  6. Step 6: Final answer
    x = 558,502.70

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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.