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Finding the Fourth Proportional to 618,397.83, 927,729.78 and 191,925.54

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Solution

The fourth proportional to 618,397.83, 927,729.78 and 191,925.54 is: 287,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,397.83 : 927,729.78 = 191,925.54 : x
  2. Step 2: Convert to fraction form
    618,397.83/927,729.78 = 191,925.54/x
  3. Step 3: Cross multiply
    618,397.83x = 927,729.78 × 191,925.54
  4. Step 4: Simplify right side
    618,397.83x = 178,055,039,000.58
  5. Step 5: Solve for x
    x = 178,055,039,000.58/618,397.83
  6. Step 6: Final answer
    x = 287,929.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.