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Finding the Fourth Proportional to 362,266.78, 542,128.86 and 291,014.32

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Solution

The fourth proportional to 362,266.78, 542,128.86 and 291,014.32 is: 435,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,266.78 : 542,128.86 = 291,014.32 : x
  2. Step 2: Convert to fraction form
    362,266.78/542,128.86 = 291,014.32/x
  3. Step 3: Cross multiply
    362,266.78x = 542,128.86 × 291,014.32
  4. Step 4: Simplify right side
    362,266.78x = 157,767,261,545.28
  5. Step 5: Solve for x
    x = 157,767,261,545.28/362,266.78
  6. Step 6: Final answer
    x = 435,500.22

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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.