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Finding the Fourth Proportional to 440,017.52, 607,220.60 and 238,813.52

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Solution

The fourth proportional to 440,017.52, 607,220.60 and 238,813.52 is: 329,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,017.52 : 607,220.60 = 238,813.52 : x
  2. Step 2: Convert to fraction form
    440,017.52/607,220.60 = 238,813.52/x
  3. Step 3: Cross multiply
    440,017.52x = 607,220.60 × 238,813.52
  4. Step 4: Simplify right side
    440,017.52x = 145,012,488,902.51
  5. Step 5: Solve for x
    x = 145,012,488,902.51/440,017.52
  6. Step 6: Final answer
    x = 329,560.72

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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.