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Finding the Fourth Proportional to 559,231.20, 837,097.20 and 440,258.40

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Solution

The fourth proportional to 559,231.20, 837,097.20 and 440,258.40 is: 659,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,231.20 : 837,097.20 = 440,258.40 : x
  2. Step 2: Convert to fraction form
    559,231.20/837,097.20 = 440,258.40/x
  3. Step 3: Cross multiply
    559,231.20x = 837,097.20 × 440,258.40
  4. Step 4: Simplify right side
    559,231.20x = 368,539,073,916.48
  5. Step 5: Solve for x
    x = 368,539,073,916.48/559,231.20
  6. Step 6: Final answer
    x = 659,010.22

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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.