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Finding the Fourth Proportional to 585,023.40, 877,535.10 and 518,538.60

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Solution

The fourth proportional to 585,023.40, 877,535.10 and 518,538.60 is: 777,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,023.40 : 877,535.10 = 518,538.60 : x
  2. Step 2: Convert to fraction form
    585,023.40/877,535.10 = 518,538.60/x
  3. Step 3: Cross multiply
    585,023.40x = 877,535.10 × 518,538.60
  4. Step 4: Simplify right side
    585,023.40x = 455,035,822,204.86
  5. Step 5: Solve for x
    x = 455,035,822,204.86/585,023.40
  6. Step 6: Final answer
    x = 777,807.90

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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.