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Finding the Fourth Proportional to 338,417.76, 467,006.40 and 185,454.12

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Solution

The fourth proportional to 338,417.76, 467,006.40 and 185,454.12 is: 255,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,417.76 : 467,006.40 = 185,454.12 : x
  2. Step 2: Convert to fraction form
    338,417.76/467,006.40 = 185,454.12/x
  3. Step 3: Cross multiply
    338,417.76x = 467,006.40 × 185,454.12
  4. Step 4: Simplify right side
    338,417.76x = 86,608,260,946.37
  5. Step 5: Solve for x
    x = 86,608,260,946.37/338,417.76
  6. Step 6: Final answer
    x = 255,921.15

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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.