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Finding the Fourth Proportional to 549,336.80, 824,005.20 and 545,837.60

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Solution

The fourth proportional to 549,336.80, 824,005.20 and 545,837.60 is: 818,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,336.80 : 824,005.20 = 545,837.60 : x
  2. Step 2: Convert to fraction form
    549,336.80/824,005.20 = 545,837.60/x
  3. Step 3: Cross multiply
    549,336.80x = 824,005.20 × 545,837.60
  4. Step 4: Simplify right side
    549,336.80x = 449,773,020,755.52
  5. Step 5: Solve for x
    x = 449,773,020,755.52/549,336.80
  6. Step 6: Final answer
    x = 818,756.40

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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.