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Finding the Fourth Proportional to 515,827.60, 773,741.40 and 471,504.40

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Solution

The fourth proportional to 515,827.60, 773,741.40 and 471,504.40 is: 707,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,827.60 : 773,741.40 = 471,504.40 : x
  2. Step 2: Convert to fraction form
    515,827.60/773,741.40 = 471,504.40/x
  3. Step 3: Cross multiply
    515,827.60x = 773,741.40 × 471,504.40
  4. Step 4: Simplify right side
    515,827.60x = 364,822,474,562.16
  5. Step 5: Solve for x
    x = 364,822,474,562.16/515,827.60
  6. Step 6: Final answer
    x = 707,256.60

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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.