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Finding the Fourth Proportional to 488,291.40, 732,437.10 and 252,095.40

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Solution

The fourth proportional to 488,291.40, 732,437.10 and 252,095.40 is: 378,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,291.40 : 732,437.10 = 252,095.40 : x
  2. Step 2: Convert to fraction form
    488,291.40/732,437.10 = 252,095.40/x
  3. Step 3: Cross multiply
    488,291.40x = 732,437.10 × 252,095.40
  4. Step 4: Simplify right side
    488,291.40x = 184,644,023,699.34
  5. Step 5: Solve for x
    x = 184,644,023,699.34/488,291.40
  6. Step 6: Final answer
    x = 378,143.10

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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.