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Finding the Fourth Proportional to 630,056.80, 944,758.80 and 186,767.20

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Solution

The fourth proportional to 630,056.80, 944,758.80 and 186,767.20 is: 280,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,056.80 : 944,758.80 = 186,767.20 : x
  2. Step 2: Convert to fraction form
    630,056.80/944,758.80 = 186,767.20/x
  3. Step 3: Cross multiply
    630,056.80x = 944,758.80 × 186,767.20
  4. Step 4: Simplify right side
    630,056.80x = 176,449,955,751.36
  5. Step 5: Solve for x
    x = 176,449,955,751.36/630,056.80
  6. Step 6: Final answer
    x = 280,054.05

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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.