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Finding the Fourth Proportional to 972,236.48, 1,341,683.84 and 542,512

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Solution

The fourth proportional to 972,236.48, 1,341,683.84 and 542,512 is: 748,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,236.48 : 1,341,683.84 = 542,512 : x
  2. Step 2: Convert to fraction form
    972,236.48/1,341,683.84 = 542,512/x
  3. Step 3: Cross multiply
    972,236.48x = 1,341,683.84 × 542,512
  4. Step 4: Simplify right side
    972,236.48x = 727,879,583,406.08
  5. Step 5: Solve for x
    x = 727,879,583,406.08/972,236.48
  6. Step 6: Final answer
    x = 748,665.16

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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.