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Finding the Fourth Proportional to 723,781.22, 998,714.63 and 433,323.18

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Solution

The fourth proportional to 723,781.22, 998,714.63 and 433,323.18 is: 597,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,781.22 : 998,714.63 = 433,323.18 : x
  2. Step 2: Convert to fraction form
    723,781.22/998,714.63 = 433,323.18/x
  3. Step 3: Cross multiply
    723,781.22x = 998,714.63 × 433,323.18
  4. Step 4: Simplify right side
    723,781.22x = 432,766,199,384.12
  5. Step 5: Solve for x
    x = 432,766,199,384.12/723,781.22
  6. Step 6: Final answer
    x = 597,924.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.