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Finding the Fourth Proportional to 573,543.60, 860,315.40 and 324,711.60

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Solution

The fourth proportional to 573,543.60, 860,315.40 and 324,711.60 is: 487,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,543.60 : 860,315.40 = 324,711.60 : x
  2. Step 2: Convert to fraction form
    573,543.60/860,315.40 = 324,711.60/x
  3. Step 3: Cross multiply
    573,543.60x = 860,315.40 × 324,711.60
  4. Step 4: Simplify right side
    573,543.60x = 279,354,390,038.64
  5. Step 5: Solve for x
    x = 279,354,390,038.64/573,543.60
  6. Step 6: Final answer
    x = 487,067.40

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Similar ratio
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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.