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Finding the Fourth Proportional to 573,257.60, 859,886.40 and 363,132.80

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Solution

The fourth proportional to 573,257.60, 859,886.40 and 363,132.80 is: 544,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,257.60 : 859,886.40 = 363,132.80 : x
  2. Step 2: Convert to fraction form
    573,257.60/859,886.40 = 363,132.80/x
  3. Step 3: Cross multiply
    573,257.60x = 859,886.40 × 363,132.80
  4. Step 4: Simplify right side
    573,257.60x = 312,252,956,113.92
  5. Step 5: Solve for x
    x = 312,252,956,113.92/573,257.60
  6. Step 6: Final answer
    x = 544,699.20

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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.