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Finding the Fourth Proportional to 593,114.40, 888,359.40 and 488,138.40

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Solution

The fourth proportional to 593,114.40, 888,359.40 and 488,138.40 is: 731,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,114.40 : 888,359.40 = 488,138.40 : x
  2. Step 2: Convert to fraction form
    593,114.40/888,359.40 = 488,138.40/x
  3. Step 3: Cross multiply
    593,114.40x = 888,359.40 × 488,138.40
  4. Step 4: Simplify right side
    593,114.40x = 433,642,336,140.96
  5. Step 5: Solve for x
    x = 433,642,336,140.96/593,114.40
  6. Step 6: Final answer
    x = 731,127.65

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1.5x scale

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.