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Finding the Fourth Proportional to 549,334.80, 824,002.20 and 545,835.60

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Solution

The fourth proportional to 549,334.80, 824,002.20 and 545,835.60 is: 818,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,334.80 : 824,002.20 = 545,835.60 : x
  2. Step 2: Convert to fraction form
    549,334.80/824,002.20 = 545,835.60/x
  3. Step 3: Cross multiply
    549,334.80x = 824,002.20 × 545,835.60
  4. Step 4: Simplify right side
    549,334.80x = 449,769,735,238.32
  5. Step 5: Solve for x
    x = 449,769,735,238.32/549,334.80
  6. Step 6: Final answer
    x = 818,753.40

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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.