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Finding the Fourth Proportional to 549,968.10, 824,952.15 and 461,394.60

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Solution

The fourth proportional to 549,968.10, 824,952.15 and 461,394.60 is: 692,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,968.10 : 824,952.15 = 461,394.60 : x
  2. Step 2: Convert to fraction form
    549,968.10/824,952.15 = 461,394.60/x
  3. Step 3: Cross multiply
    549,968.10x = 824,952.15 × 461,394.60
  4. Step 4: Simplify right side
    549,968.10x = 380,628,467,268.39
  5. Step 5: Solve for x
    x = 380,628,467,268.39/549,968.10
  6. Step 6: Final answer
    x = 692,091.90

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Similar ratio
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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.