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Finding the Fourth Proportional to 350,638.40, 526,216.80 and 232,270.40

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Solution

The fourth proportional to 350,638.40, 526,216.80 and 232,270.40 is: 348,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,638.40 : 526,216.80 = 232,270.40 : x
  2. Step 2: Convert to fraction form
    350,638.40/526,216.80 = 232,270.40/x
  3. Step 3: Cross multiply
    350,638.40x = 526,216.80 × 232,270.40
  4. Step 4: Simplify right side
    350,638.40x = 122,224,586,622.72
  5. Step 5: Solve for x
    x = 122,224,586,622.72/350,638.40
  6. Step 6: Final answer
    x = 348,577.30

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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.