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Finding the Fourth Proportional to 529,069.80, 793,604.70 and 488,519.40

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Solution

The fourth proportional to 529,069.80, 793,604.70 and 488,519.40 is: 732,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,069.80 : 793,604.70 = 488,519.40 : x
  2. Step 2: Convert to fraction form
    529,069.80/793,604.70 = 488,519.40/x
  3. Step 3: Cross multiply
    529,069.80x = 793,604.70 × 488,519.40
  4. Step 4: Simplify right side
    529,069.80x = 387,691,291,881.18
  5. Step 5: Solve for x
    x = 387,691,291,881.18/529,069.80
  6. Step 6: Final answer
    x = 732,779.10

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Similar ratio
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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.