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Finding the Fourth Proportional to 577,132.30, 864,714.30 and 492,495.40

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Solution

The fourth proportional to 577,132.30, 864,714.30 and 492,495.40 is: 737,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,132.30 : 864,714.30 = 492,495.40 : x
  2. Step 2: Convert to fraction form
    577,132.30/864,714.30 = 492,495.40/x
  3. Step 3: Cross multiply
    577,132.30x = 864,714.30 × 492,495.40
  4. Step 4: Simplify right side
    577,132.30x = 425,867,815,064.22
  5. Step 5: Solve for x
    x = 425,867,815,064.22/577,132.30
  6. Step 6: Final answer
    x = 737,903.28

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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.