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Finding the Fourth Proportional to 750,691.88, 1,035,950.03 and 406,522.32

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Solution

The fourth proportional to 750,691.88, 1,035,950.03 and 406,522.32 is: 560,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,691.88 : 1,035,950.03 = 406,522.32 : x
  2. Step 2: Convert to fraction form
    750,691.88/1,035,950.03 = 406,522.32/x
  3. Step 3: Cross multiply
    750,691.88x = 1,035,950.03 × 406,522.32
  4. Step 4: Simplify right side
    750,691.88x = 421,136,809,599.67
  5. Step 5: Solve for x
    x = 421,136,809,599.67/750,691.88
  6. Step 6: Final answer
    x = 560,998.22

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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.