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Finding the Fourth Proportional to 365,186.40, 548,701.20 and 232,130.40

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Solution

The fourth proportional to 365,186.40, 548,701.20 and 232,130.40 is: 348,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,186.40 : 548,701.20 = 232,130.40 : x
  2. Step 2: Convert to fraction form
    365,186.40/548,701.20 = 232,130.40/x
  3. Step 3: Cross multiply
    365,186.40x = 548,701.20 × 232,130.40
  4. Step 4: Simplify right side
    365,186.40x = 127,370,229,036.48
  5. Step 5: Solve for x
    x = 127,370,229,036.48/365,186.40
  6. Step 6: Final answer
    x = 348,781.41

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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.