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Finding the Fourth Proportional to 573,051.70, 859,577.55 and 531,579.70

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Solution

The fourth proportional to 573,051.70, 859,577.55 and 531,579.70 is: 797,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,051.70 : 859,577.55 = 531,579.70 : x
  2. Step 2: Convert to fraction form
    573,051.70/859,577.55 = 531,579.70/x
  3. Step 3: Cross multiply
    573,051.70x = 859,577.55 × 531,579.70
  4. Step 4: Simplify right side
    573,051.70x = 456,933,976,155.74
  5. Step 5: Solve for x
    x = 456,933,976,155.74/573,051.70
  6. Step 6: Final answer
    x = 797,369.55

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Double scale
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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.