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Finding the Fourth Proportional to 560,981.34, 841,472.01 and 140,257.22

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Solution

The fourth proportional to 560,981.34, 841,472.01 and 140,257.22 is: 210,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,981.34 : 841,472.01 = 140,257.22 : x
  2. Step 2: Convert to fraction form
    560,981.34/841,472.01 = 140,257.22/x
  3. Step 3: Cross multiply
    560,981.34x = 841,472.01 × 140,257.22
  4. Step 4: Simplify right side
    560,981.34x = 118,022,520,623.05
  5. Step 5: Solve for x
    x = 118,022,520,623.05/560,981.34
  6. Step 6: Final answer
    x = 210,385.82

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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.