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Finding the Fourth Proportional to 559,232.20, 837,098.70 and 440,259.40

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Solution

The fourth proportional to 559,232.20, 837,098.70 and 440,259.40 is: 659,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,232.20 : 837,098.70 = 440,259.40 : x
  2. Step 2: Convert to fraction form
    559,232.20/837,098.70 = 440,259.40/x
  3. Step 3: Cross multiply
    559,232.20x = 837,098.70 × 440,259.40
  4. Step 4: Simplify right side
    559,232.20x = 368,540,571,402.78
  5. Step 5: Solve for x
    x = 368,540,571,402.78/559,232.20
  6. Step 6: Final answer
    x = 659,011.72

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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.