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Finding the Fourth Proportional to 366,883.20, 549,668.70 and 314,395.20

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Solution

The fourth proportional to 366,883.20, 549,668.70 and 314,395.20 is: 471,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,883.20 : 549,668.70 = 314,395.20 : x
  2. Step 2: Convert to fraction form
    366,883.20/549,668.70 = 314,395.20/x
  3. Step 3: Cross multiply
    366,883.20x = 549,668.70 × 314,395.20
  4. Step 4: Simplify right side
    366,883.20x = 172,813,200,870.24
  5. Step 5: Solve for x
    x = 172,813,200,870.24/366,883.20
  6. Step 6: Final answer
    x = 471,030.56

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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.