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Finding the Fourth Proportional to 488,131.42, 732,714.70 and 432,333.76

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Solution

The fourth proportional to 488,131.42, 732,714.70 and 432,333.76 is: 648,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,131.42 : 732,714.70 = 432,333.76 : x
  2. Step 2: Convert to fraction form
    488,131.42/732,714.70 = 432,333.76/x
  3. Step 3: Cross multiply
    488,131.42x = 732,714.70 × 432,333.76
  4. Step 4: Simplify right side
    488,131.42x = 316,777,301,258.27
  5. Step 5: Solve for x
    x = 316,777,301,258.27/488,131.42
  6. Step 6: Final answer
    x = 648,959.05

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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.