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Finding the Fourth Proportional to 549,934.20, 824,245.20 and 493,509.60

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Solution

The fourth proportional to 549,934.20, 824,245.20 and 493,509.60 is: 739,675.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,934.20 : 824,245.20 = 493,509.60 : x
  2. Step 2: Convert to fraction form
    549,934.20/824,245.20 = 493,509.60/x
  3. Step 3: Cross multiply
    549,934.20x = 824,245.20 × 493,509.60
  4. Step 4: Simplify right side
    549,934.20x = 406,772,918,953.92
  5. Step 5: Solve for x
    x = 406,772,918,953.92/549,934.20
  6. Step 6: Final answer
    x = 739,675.62

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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.