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Finding the Fourth Proportional to 614,077.80, 847,393.56 and 338,381.36

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Solution

The fourth proportional to 614,077.80, 847,393.56 and 338,381.36 is: 466,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,077.80 : 847,393.56 = 338,381.36 : x
  2. Step 2: Convert to fraction form
    614,077.80/847,393.56 = 338,381.36/x
  3. Step 3: Cross multiply
    614,077.80x = 847,393.56 × 338,381.36
  4. Step 4: Simplify right side
    614,077.80x = 286,742,185,288.04
  5. Step 5: Solve for x
    x = 286,742,185,288.04/614,077.80
  6. Step 6: Final answer
    x = 466,947.65

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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.