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Finding the Fourth Proportional to 338,779.32, 467,516.13 and 185,818.76

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Solution

The fourth proportional to 338,779.32, 467,516.13 and 185,818.76 is: 256,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,779.32 : 467,516.13 = 185,818.76 : x
  2. Step 2: Convert to fraction form
    338,779.32/467,516.13 = 185,818.76/x
  3. Step 3: Cross multiply
    338,779.32x = 467,516.13 × 185,818.76
  4. Step 4: Simplify right side
    338,779.32x = 86,873,265,219.02
  5. Step 5: Solve for x
    x = 86,873,265,219.02/338,779.32
  6. Step 6: Final answer
    x = 256,430.25

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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.