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Finding the Fourth Proportional to 524,837.04, 724,374 and 328,694.46

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Solution

The fourth proportional to 524,837.04, 724,374 and 328,694.46 is: 453,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,837.04 : 724,374 = 328,694.46 : x
  2. Step 2: Convert to fraction form
    524,837.04/724,374 = 328,694.46/x
  3. Step 3: Cross multiply
    524,837.04x = 724,374 × 328,694.46
  4. Step 4: Simplify right side
    524,837.04x = 238,097,720,768.04
  5. Step 5: Solve for x
    x = 238,097,720,768.04/524,837.04
  6. Step 6: Final answer
    x = 453,660.28

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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.