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Finding the Fourth Proportional to 314,813.70, 472,220.55 and 181,625.40

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Solution

The fourth proportional to 314,813.70, 472,220.55 and 181,625.40 is: 272,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,813.70 : 472,220.55 = 181,625.40 : x
  2. Step 2: Convert to fraction form
    314,813.70/472,220.55 = 181,625.40/x
  3. Step 3: Cross multiply
    314,813.70x = 472,220.55 × 181,625.40
  4. Step 4: Simplify right side
    314,813.70x = 85,767,246,281.97
  5. Step 5: Solve for x
    x = 85,767,246,281.97/314,813.70
  6. Step 6: Final answer
    x = 272,438.10

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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.