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Finding the Fourth Proportional to 585,008.40, 876,200.40 and 480,032.40

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Solution

The fourth proportional to 585,008.40, 876,200.40 and 480,032.40 is: 718,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,008.40 : 876,200.40 = 480,032.40 : x
  2. Step 2: Convert to fraction form
    585,008.40/876,200.40 = 480,032.40/x
  3. Step 3: Cross multiply
    585,008.40x = 876,200.40 × 480,032.40
  4. Step 4: Simplify right side
    585,008.40x = 420,604,580,892.96
  5. Step 5: Solve for x
    x = 420,604,580,892.96/585,008.40
  6. Step 6: Final answer
    x = 718,971.87

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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.