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Finding the Fourth Proportional to 440,263.26, 660,404.82 and 249,359.50

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Solution

The fourth proportional to 440,263.26, 660,404.82 and 249,359.50 is: 374,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,263.26 : 660,404.82 = 249,359.50 : x
  2. Step 2: Convert to fraction form
    440,263.26/660,404.82 = 249,359.50/x
  3. Step 3: Cross multiply
    440,263.26x = 660,404.82 × 249,359.50
  4. Step 4: Simplify right side
    440,263.26x = 164,678,215,712.79
  5. Step 5: Solve for x
    x = 164,678,215,712.79/440,263.26
  6. Step 6: Final answer
    x = 374,044.87

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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.