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Finding the Fourth Proportional to 525,641.04, 725,130.96 and 344,273.16

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Solution

The fourth proportional to 525,641.04, 725,130.96 and 344,273.16 is: 474,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,641.04 : 725,130.96 = 344,273.16 : x
  2. Step 2: Convert to fraction form
    525,641.04/725,130.96 = 344,273.16/x
  3. Step 3: Cross multiply
    525,641.04x = 725,130.96 × 344,273.16
  4. Step 4: Simplify right side
    525,641.04x = 249,643,127,013.03
  5. Step 5: Solve for x
    x = 249,643,127,013.03/525,641.04
  6. Step 6: Final answer
    x = 474,930.81

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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.