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Finding the Fourth Proportional to 560,891.11, 841,389.56 and 434,672.72

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Solution

The fourth proportional to 560,891.11, 841,389.56 and 434,672.72 is: 652,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,891.11 : 841,389.56 = 434,672.72 : x
  2. Step 2: Convert to fraction form
    560,891.11/841,389.56 = 434,672.72/x
  3. Step 3: Cross multiply
    560,891.11x = 841,389.56 × 434,672.72
  4. Step 4: Simplify right side
    560,891.11x = 365,729,091,814.96
  5. Step 5: Solve for x
    x = 365,729,091,814.96/560,891.11
  6. Step 6: Final answer
    x = 652,050.08

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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.