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Finding the Fourth Proportional to 443,066.60, 611,351.26 and 249,444.20

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Solution

The fourth proportional to 443,066.60, 611,351.26 and 249,444.20 is: 344,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,066.60 : 611,351.26 = 249,444.20 : x
  2. Step 2: Convert to fraction form
    443,066.60/611,351.26 = 249,444.20/x
  3. Step 3: Cross multiply
    443,066.60x = 611,351.26 × 249,444.20
  4. Step 4: Simplify right side
    443,066.60x = 152,498,025,969.69
  5. Step 5: Solve for x
    x = 152,498,025,969.69/443,066.60
  6. Step 6: Final answer
    x = 344,187.59

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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.