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Finding the Fourth Proportional to 315,114.40, 473,132.40 and 222,032.80

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Solution

The fourth proportional to 315,114.40, 473,132.40 and 222,032.80 is: 333,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,114.40 : 473,132.40 = 222,032.80 : x
  2. Step 2: Convert to fraction form
    315,114.40/473,132.40 = 222,032.80/x
  3. Step 3: Cross multiply
    315,114.40x = 473,132.40 × 222,032.80
  4. Step 4: Simplify right side
    315,114.40x = 105,050,911,542.72
  5. Step 5: Solve for x
    x = 105,050,911,542.72/315,114.40
  6. Step 6: Final answer
    x = 333,373.88

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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.