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Finding the Fourth Proportional to 584,553.20, 875,080.20 and 521,567.60

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Solution

The fourth proportional to 584,553.20, 875,080.20 and 521,567.60 is: 780,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,553.20 : 875,080.20 = 521,567.60 : x
  2. Step 2: Convert to fraction form
    584,553.20/875,080.20 = 521,567.60/x
  3. Step 3: Cross multiply
    584,553.20x = 875,080.20 × 521,567.60
  4. Step 4: Simplify right side
    584,553.20x = 456,413,479,721.52
  5. Step 5: Solve for x
    x = 456,413,479,721.52/584,553.20
  6. Step 6: Final answer
    x = 780,790.32

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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.