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Finding the Fourth Proportional to 630,140.80, 944,884.80 and 186,851.20

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Solution

The fourth proportional to 630,140.80, 944,884.80 and 186,851.20 is: 280,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,140.80 : 944,884.80 = 186,851.20 : x
  2. Step 2: Convert to fraction form
    630,140.80/944,884.80 = 186,851.20/x
  3. Step 3: Cross multiply
    630,140.80x = 944,884.80 × 186,851.20
  4. Step 4: Simplify right side
    630,140.80x = 176,552,858,741.76
  5. Step 5: Solve for x
    x = 176,552,858,741.76/630,140.80
  6. Step 6: Final answer
    x = 280,180.01

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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.