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Finding the Fourth Proportional to 440,769.92, 608,275.32 and 249,776.96

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Solution

The fourth proportional to 440,769.92, 608,275.32 and 249,776.96 is: 344,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,769.92 : 608,275.32 = 249,776.96 : x
  2. Step 2: Convert to fraction form
    440,769.92/608,275.32 = 249,776.96/x
  3. Step 3: Cross multiply
    440,769.92x = 608,275.32 × 249,776.96
  4. Step 4: Simplify right side
    440,769.92x = 151,933,160,272.63
  5. Step 5: Solve for x
    x = 151,933,160,272.63/440,769.92
  6. Step 6: Final answer
    x = 344,699.48

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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.