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Finding the Fourth Proportional to 632,549.24, 873,297.62 and 391,155.47

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Solution

The fourth proportional to 632,549.24, 873,297.62 and 391,155.47 is: 540,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,549.24 : 873,297.62 = 391,155.47 : x
  2. Step 2: Convert to fraction form
    632,549.24/873,297.62 = 391,155.47/x
  3. Step 3: Cross multiply
    632,549.24x = 873,297.62 × 391,155.47
  4. Step 4: Simplify right side
    632,549.24x = 341,595,134,678.72
  5. Step 5: Solve for x
    x = 341,595,134,678.72/632,549.24
  6. Step 6: Final answer
    x = 540,029.32

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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.