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Finding the Fourth Proportional to 525,655.04, 725,150.28 and 344,287.16

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Solution

The fourth proportional to 525,655.04, 725,150.28 and 344,287.16 is: 474,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,655.04 : 725,150.28 = 344,287.16 : x
  2. Step 2: Convert to fraction form
    525,655.04/725,150.28 = 344,287.16/x
  3. Step 3: Cross multiply
    525,655.04x = 725,150.28 × 344,287.16
  4. Step 4: Simplify right side
    525,655.04x = 249,659,930,474.41
  5. Step 5: Solve for x
    x = 249,659,930,474.41/525,655.04
  6. Step 6: Final answer
    x = 474,950.13

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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.