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Finding the Fourth Proportional to 560,515.74, 773,545.15 and 424,333.98

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Solution

The fourth proportional to 560,515.74, 773,545.15 and 424,333.98 is: 585,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,515.74 : 773,545.15 = 424,333.98 : x
  2. Step 2: Convert to fraction form
    560,515.74/773,545.15 = 424,333.98/x
  3. Step 3: Cross multiply
    560,515.74x = 773,545.15 × 424,333.98
  4. Step 4: Simplify right side
    560,515.74x = 328,241,492,209.20
  5. Step 5: Solve for x
    x = 328,241,492,209.20/560,515.74
  6. Step 6: Final answer
    x = 585,606.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.