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Finding the Fourth Proportional to 542,393.58, 748,801.08 and 370,569.90

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Solution

The fourth proportional to 542,393.58, 748,801.08 and 370,569.90 is: 511,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,393.58 : 748,801.08 = 370,569.90 : x
  2. Step 2: Convert to fraction form
    542,393.58/748,801.08 = 370,569.90/x
  3. Step 3: Cross multiply
    542,393.58x = 748,801.08 × 370,569.90
  4. Step 4: Simplify right side
    542,393.58x = 277,483,141,335.49
  5. Step 5: Solve for x
    x = 277,483,141,335.49/542,393.58
  6. Step 6: Final answer
    x = 511,590.02

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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.