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Finding the Fourth Proportional to 573,278.40, 859,917.60 and 471,801.60

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Solution

The fourth proportional to 573,278.40, 859,917.60 and 471,801.60 is: 707,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,278.40 : 859,917.60 = 471,801.60 : x
  2. Step 2: Convert to fraction form
    573,278.40/859,917.60 = 471,801.60/x
  3. Step 3: Cross multiply
    573,278.40x = 859,917.60 × 471,801.60
  4. Step 4: Simplify right side
    573,278.40x = 405,710,499,548.16
  5. Step 5: Solve for x
    x = 405,710,499,548.16/573,278.40
  6. Step 6: Final answer
    x = 707,702.40

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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.