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Finding the Fourth Proportional to 443,854.80, 666,199.80 and 233,643.60

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Solution

The fourth proportional to 443,854.80, 666,199.80 and 233,643.60 is: 350,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,854.80 : 666,199.80 = 233,643.60 : x
  2. Step 2: Convert to fraction form
    443,854.80/666,199.80 = 233,643.60/x
  3. Step 3: Cross multiply
    443,854.80x = 666,199.80 × 233,643.60
  4. Step 4: Simplify right side
    443,854.80x = 155,653,319,591.28
  5. Step 5: Solve for x
    x = 155,653,319,591.28/443,854.80
  6. Step 6: Final answer
    x = 350,685.22

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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.