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Finding the Fourth Proportional to 573,073.60, 859,999.20 and 372,906.40

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Solution

The fourth proportional to 573,073.60, 859,999.20 and 372,906.40 is: 559,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,073.60 : 859,999.20 = 372,906.40 : x
  2. Step 2: Convert to fraction form
    573,073.60/859,999.20 = 372,906.40/x
  3. Step 3: Cross multiply
    573,073.60x = 859,999.20 × 372,906.40
  4. Step 4: Simplify right side
    573,073.60x = 320,699,205,674.88
  5. Step 5: Solve for x
    x = 320,699,205,674.88/573,073.60
  6. Step 6: Final answer
    x = 559,612.60

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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.