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Finding the Fourth Proportional to 585,225.72, 807,677.28 and 330,593.40

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Solution

The fourth proportional to 585,225.72, 807,677.28 and 330,593.40 is: 456,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,225.72 : 807,677.28 = 330,593.40 : x
  2. Step 2: Convert to fraction form
    585,225.72/807,677.28 = 330,593.40/x
  3. Step 3: Cross multiply
    585,225.72x = 807,677.28 × 330,593.40
  4. Step 4: Simplify right side
    585,225.72x = 267,012,778,097.95
  5. Step 5: Solve for x
    x = 267,012,778,097.95/585,225.72
  6. Step 6: Final answer
    x = 456,256.05

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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.