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Finding the Fourth Proportional to 501,403.73, 752,158.29 and 146,418.74

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Solution

The fourth proportional to 501,403.73, 752,158.29 and 146,418.74 is: 219,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,403.73 : 752,158.29 = 146,418.74 : x
  2. Step 2: Convert to fraction form
    501,403.73/752,158.29 = 146,418.74/x
  3. Step 3: Cross multiply
    501,403.73x = 752,158.29 × 146,418.74
  4. Step 4: Simplify right side
    501,403.73x = 110,130,065,341.56
  5. Step 5: Solve for x
    x = 110,130,065,341.56/501,403.73
  6. Step 6: Final answer
    x = 219,643.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.