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Finding the Fourth Proportional to 362,016.40, 542,808.60 and 221,875.60

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Solution

The fourth proportional to 362,016.40, 542,808.60 and 221,875.60 is: 332,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,016.40 : 542,808.60 = 221,875.60 : x
  2. Step 2: Convert to fraction form
    362,016.40/542,808.60 = 221,875.60/x
  3. Step 3: Cross multiply
    362,016.40x = 542,808.60 × 221,875.60
  4. Step 4: Simplify right side
    362,016.40x = 120,435,983,810.16
  5. Step 5: Solve for x
    x = 120,435,983,810.16/362,016.40
  6. Step 6: Final answer
    x = 332,681.02

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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.