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Finding the Fourth Proportional to 750,718.62, 1,035,897.03 and 598,143.42

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Solution

The fourth proportional to 750,718.62, 1,035,897.03 and 598,143.42 is: 825,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,718.62 : 1,035,897.03 = 598,143.42 : x
  2. Step 2: Convert to fraction form
    750,718.62/1,035,897.03 = 598,143.42/x
  3. Step 3: Cross multiply
    750,718.62x = 1,035,897.03 × 598,143.42
  4. Step 4: Simplify right side
    750,718.62x = 619,614,992,292.04
  5. Step 5: Solve for x
    x = 619,614,992,292.04/750,718.62
  6. Step 6: Final answer
    x = 825,362.49

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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.