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Finding the Fourth Proportional to 872,507.96, 1,308,791.11 and 241,368.92

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Solution

The fourth proportional to 872,507.96, 1,308,791.11 and 241,368.92 is: 362,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.96 : 1,308,791.11 = 241,368.92 : x
  2. Step 2: Convert to fraction form
    872,507.96/1,308,791.11 = 241,368.92/x
  3. Step 3: Cross multiply
    872,507.96x = 1,308,791.11 × 241,368.92
  4. Step 4: Simplify right side
    872,507.96x = 315,901,499,394.86
  5. Step 5: Solve for x
    x = 315,901,499,394.86/872,507.96
  6. Step 6: Final answer
    x = 362,061.45

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Double scale
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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.