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Finding the Fourth Proportional to 440,705.82, 608,139.72 and 249,749.13

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Solution

The fourth proportional to 440,705.82, 608,139.72 and 249,749.13 is: 344,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,705.82 : 608,139.72 = 249,749.13 : x
  2. Step 2: Convert to fraction form
    440,705.82/608,139.72 = 249,749.13/x
  3. Step 3: Cross multiply
    440,705.82x = 608,139.72 × 249,749.13
  4. Step 4: Simplify right side
    440,705.82x = 151,882,365,988.44
  5. Step 5: Solve for x
    x = 151,882,365,988.44/440,705.82
  6. Step 6: Final answer
    x = 344,634.35

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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.