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Finding the Fourth Proportional to 560,765.00, 841,586.94 and 391,182.28

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Solution

The fourth proportional to 560,765.00, 841,586.94 and 391,182.28 is: 587,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,765.00 : 841,586.94 = 391,182.28 : x
  2. Step 2: Convert to fraction form
    560,765.00/841,586.94 = 391,182.28/x
  3. Step 3: Cross multiply
    560,765.00x = 841,586.94 × 391,182.28
  4. Step 4: Simplify right side
    560,765.00x = 329,213,895,903.46
  5. Step 5: Solve for x
    x = 329,213,895,903.46/560,765.00
  6. Step 6: Final answer
    x = 587,079.96

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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.