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Finding the Fourth Proportional to 314,150.40, 471,225.60 and 243,291.60

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Solution

The fourth proportional to 314,150.40, 471,225.60 and 243,291.60 is: 364,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,150.40 : 471,225.60 = 243,291.60 : x
  2. Step 2: Convert to fraction form
    314,150.40/471,225.60 = 243,291.60/x
  3. Step 3: Cross multiply
    314,150.40x = 471,225.60 × 243,291.60
  4. Step 4: Simplify right side
    314,150.40x = 114,645,230,184.96
  5. Step 5: Solve for x
    x = 114,645,230,184.96/314,150.40
  6. Step 6: Final answer
    x = 364,937.40

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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.