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Finding the Fourth Proportional to 453,342.96, 625,621.32 and 249,410.88

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Solution

The fourth proportional to 453,342.96, 625,621.32 and 249,410.88 is: 344,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,342.96 : 625,621.32 = 249,410.88 : x
  2. Step 2: Convert to fraction form
    453,342.96/625,621.32 = 249,410.88/x
  3. Step 3: Cross multiply
    453,342.96x = 625,621.32 × 249,410.88
  4. Step 4: Simplify right side
    453,342.96x = 156,036,763,967.96
  5. Step 5: Solve for x
    x = 156,036,763,967.96/453,342.96
  6. Step 6: Final answer
    x = 344,191.44

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1.5x scale

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.