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Finding the Fourth Proportional to 873,153.88, 1,204,752.88 and 491,041.24

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Solution

The fourth proportional to 873,153.88, 1,204,752.88 and 491,041.24 is: 677,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,153.88 : 1,204,752.88 = 491,041.24 : x
  2. Step 2: Convert to fraction form
    873,153.88/1,204,752.88 = 491,041.24/x
  3. Step 3: Cross multiply
    873,153.88x = 1,204,752.88 × 491,041.24
  4. Step 4: Simplify right side
    873,153.88x = 591,583,348,088.77
  5. Step 5: Solve for x
    x = 591,583,348,088.77/873,153.88
  6. Step 6: Final answer
    x = 677,524.73

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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.