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Finding the Fourth Proportional to 542,412.60, 748,827.32 and 370,588.92

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Solution

The fourth proportional to 542,412.60, 748,827.32 and 370,588.92 is: 511,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,412.60 : 748,827.32 = 370,588.92 : x
  2. Step 2: Convert to fraction form
    542,412.60/748,827.32 = 370,588.92/x
  3. Step 3: Cross multiply
    542,412.60x = 748,827.32 × 370,588.92
  4. Step 4: Simplify right side
    542,412.60x = 277,507,107,785.29
  5. Step 5: Solve for x
    x = 277,507,107,785.29/542,412.60
  6. Step 6: Final answer
    x = 511,616.26

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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.