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Finding the Fourth Proportional to 484,159.19, 668,123.65 and 269,293.19

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Solution

The fourth proportional to 484,159.19, 668,123.65 and 269,293.19 is: 371,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,159.19 : 668,123.65 = 269,293.19 : x
  2. Step 2: Convert to fraction form
    484,159.19/668,123.65 = 269,293.19/x
  3. Step 3: Cross multiply
    484,159.19x = 668,123.65 × 269,293.19
  4. Step 4: Simplify right side
    484,159.19x = 179,921,149,022.94
  5. Step 5: Solve for x
    x = 179,921,149,022.94/484,159.19
  6. Step 6: Final answer
    x = 371,615.68

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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.