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Finding the Fourth Proportional to 927,176.03, 1,389,643.04 and 477,651.68

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Solution

The fourth proportional to 927,176.03, 1,389,643.04 and 477,651.68 is: 715,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,176.03 : 1,389,643.04 = 477,651.68 : x
  2. Step 2: Convert to fraction form
    927,176.03/1,389,643.04 = 477,651.68/x
  3. Step 3: Cross multiply
    927,176.03x = 1,389,643.04 × 477,651.68
  4. Step 4: Simplify right side
    927,176.03x = 663,765,326,793.94
  5. Step 5: Solve for x
    x = 663,765,326,793.94/927,176.03
  6. Step 6: Final answer
    x = 715,900.01

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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.