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Finding the Fourth Proportional to 529,905.70, 794,858.55 and 471,844.90

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Solution

The fourth proportional to 529,905.70, 794,858.55 and 471,844.90 is: 707,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,905.70 : 794,858.55 = 471,844.90 : x
  2. Step 2: Convert to fraction form
    529,905.70/794,858.55 = 471,844.90/x
  3. Step 3: Cross multiply
    529,905.70x = 794,858.55 × 471,844.90
  4. Step 4: Simplify right side
    529,905.70x = 375,049,953,038.90
  5. Step 5: Solve for x
    x = 375,049,953,038.90/529,905.70
  6. Step 6: Final answer
    x = 707,767.35

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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.