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Finding the Fourth Proportional to 560,881.69, 841,499.57 and 426,589.04

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Solution

The fourth proportional to 560,881.69, 841,499.57 and 426,589.04 is: 640,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,881.69 : 841,499.57 = 426,589.04 : x
  2. Step 2: Convert to fraction form
    560,881.69/841,499.57 = 426,589.04/x
  3. Step 3: Cross multiply
    560,881.69x = 841,499.57 × 426,589.04
  4. Step 4: Simplify right side
    560,881.69x = 358,974,493,726.71
  5. Step 5: Solve for x
    x = 358,974,493,726.71/560,881.69
  6. Step 6: Final answer
    x = 640,018.21

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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.