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Finding the Fourth Proportional to 636,971.68, 953,357.28 and 352,224.16

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Solution

The fourth proportional to 636,971.68, 953,357.28 and 352,224.16 is: 527,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,971.68 : 953,357.28 = 352,224.16 : x
  2. Step 2: Convert to fraction form
    636,971.68/953,357.28 = 352,224.16/x
  3. Step 3: Cross multiply
    636,971.68x = 953,357.28 × 352,224.16
  4. Step 4: Simplify right side
    636,971.68x = 335,795,467,127.89
  5. Step 5: Solve for x
    x = 335,795,467,127.89/636,971.68
  6. Step 6: Final answer
    x = 527,174.88

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1.5x scale

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.