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Finding the Fourth Proportional to 692,778.82, 956,695.08 and 655,038.76

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Solution

The fourth proportional to 692,778.82, 956,695.08 and 655,038.76 is: 904,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,778.82 : 956,695.08 = 655,038.76 : x
  2. Step 2: Convert to fraction form
    692,778.82/956,695.08 = 655,038.76/x
  3. Step 3: Cross multiply
    692,778.82x = 956,695.08 × 655,038.76
  4. Step 4: Simplify right side
    692,778.82x = 626,672,358,901.30
  5. Step 5: Solve for x
    x = 626,672,358,901.30/692,778.82
  6. Step 6: Final answer
    x = 904,577.83

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1.5x scale

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.