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Finding the Fourth Proportional to 318,027.60, 477,041.40 and 248,043.60

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Solution

The fourth proportional to 318,027.60, 477,041.40 and 248,043.60 is: 372,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,027.60 : 477,041.40 = 248,043.60 : x
  2. Step 2: Convert to fraction form
    318,027.60/477,041.40 = 248,043.60/x
  3. Step 3: Cross multiply
    318,027.60x = 477,041.40 × 248,043.60
  4. Step 4: Simplify right side
    318,027.60x = 118,327,066,205.04
  5. Step 5: Solve for x
    x = 118,327,066,205.04/318,027.60
  6. Step 6: Final answer
    x = 372,065.40

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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.