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Finding the Fourth Proportional to 539,257.60, 808,886.40 and 532,259.20

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Solution

The fourth proportional to 539,257.60, 808,886.40 and 532,259.20 is: 798,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,257.60 : 808,886.40 = 532,259.20 : x
  2. Step 2: Convert to fraction form
    539,257.60/808,886.40 = 532,259.20/x
  3. Step 3: Cross multiply
    539,257.60x = 808,886.40 × 532,259.20
  4. Step 4: Simplify right side
    539,257.60x = 430,537,228,154.88
  5. Step 5: Solve for x
    x = 430,537,228,154.88/539,257.60
  6. Step 6: Final answer
    x = 798,388.80

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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.