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Finding the Fourth Proportional to 692,900.19, 956,862.59 and 655,162.16

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Solution

The fourth proportional to 692,900.19, 956,862.59 and 655,162.16 is: 904,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,900.19 : 956,862.59 = 655,162.16 : x
  2. Step 2: Convert to fraction form
    692,900.19/956,862.59 = 655,162.16/x
  3. Step 3: Cross multiply
    692,900.19x = 956,862.59 × 655,162.16
  4. Step 4: Simplify right side
    692,900.19x = 626,900,153,227.47
  5. Step 5: Solve for x
    x = 626,900,153,227.47/692,900.19
  6. Step 6: Final answer
    x = 904,748.13

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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.