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Finding the Fourth Proportional to 440,471.12, 607,851.34 and 249,484.46

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Solution

The fourth proportional to 440,471.12, 607,851.34 and 249,484.46 is: 344,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,471.12 : 607,851.34 = 249,484.46 : x
  2. Step 2: Convert to fraction form
    440,471.12/607,851.34 = 249,484.46/x
  3. Step 3: Cross multiply
    440,471.12x = 607,851.34 × 249,484.46
  4. Step 4: Simplify right side
    440,471.12x = 151,649,459,657.21
  5. Step 5: Solve for x
    x = 151,649,459,657.21/440,471.12
  6. Step 6: Final answer
    x = 344,289.23

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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.