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Finding the Fourth Proportional to 647,577.20, 971,365.80 and 592,464.80

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Solution

The fourth proportional to 647,577.20, 971,365.80 and 592,464.80 is: 888,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,577.20 : 971,365.80 = 592,464.80 : x
  2. Step 2: Convert to fraction form
    647,577.20/971,365.80 = 592,464.80/x
  3. Step 3: Cross multiply
    647,577.20x = 971,365.80 × 592,464.80
  4. Step 4: Simplify right side
    647,577.20x = 575,500,044,423.84
  5. Step 5: Solve for x
    x = 575,500,044,423.84/647,577.20
  6. Step 6: Final answer
    x = 888,697.20

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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.