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Finding the Fourth Proportional to 661,598.88, 913,006.45 and 359,792.88

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Solution

The fourth proportional to 661,598.88, 913,006.45 and 359,792.88 is: 496,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,598.88 : 913,006.45 = 359,792.88 : x
  2. Step 2: Convert to fraction form
    661,598.88/913,006.45 = 359,792.88/x
  3. Step 3: Cross multiply
    661,598.88x = 913,006.45 × 359,792.88
  4. Step 4: Simplify right side
    661,598.88x = 328,493,220,104.08
  5. Step 5: Solve for x
    x = 328,493,220,104.08/661,598.88
  6. Step 6: Final answer
    x = 496,514.17

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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.