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Finding the Fourth Proportional to 501,426.72, 752,140.35 and 248,881.68

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Solution

The fourth proportional to 501,426.72, 752,140.35 and 248,881.68 is: 373,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,426.72 : 752,140.35 = 248,881.68 : x
  2. Step 2: Convert to fraction form
    501,426.72/752,140.35 = 248,881.68/x
  3. Step 3: Cross multiply
    501,426.72x = 752,140.35 × 248,881.68
  4. Step 4: Simplify right side
    501,426.72x = 187,193,953,903.79
  5. Step 5: Solve for x
    x = 187,193,953,903.79/501,426.72
  6. Step 6: Final answer
    x = 373,322.65

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Similar ratio
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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.