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Finding the Fourth Proportional to 885,241.92, 1,221,737.12 and 503,325.92

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Solution

The fourth proportional to 885,241.92, 1,221,737.12 and 503,325.92 is: 694,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,241.92 : 1,221,737.12 = 503,325.92 : x
  2. Step 2: Convert to fraction form
    885,241.92/1,221,737.12 = 503,325.92/x
  3. Step 3: Cross multiply
    885,241.92x = 1,221,737.12 × 503,325.92
  4. Step 4: Simplify right side
    885,241.92x = 614,931,959,922.15
  5. Step 5: Solve for x
    x = 614,931,959,922.15/885,241.92
  6. Step 6: Final answer
    x = 694,648.49

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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.