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Finding the Fourth Proportional to 549,763.60, 824,645.40 and 269,827.60

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Solution

The fourth proportional to 549,763.60, 824,645.40 and 269,827.60 is: 404,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,763.60 : 824,645.40 = 269,827.60 : x
  2. Step 2: Convert to fraction form
    549,763.60/824,645.40 = 269,827.60/x
  3. Step 3: Cross multiply
    549,763.60x = 824,645.40 × 269,827.60
  4. Step 4: Simplify right side
    549,763.60x = 222,512,089,133.04
  5. Step 5: Solve for x
    x = 222,512,089,133.04/549,763.60
  6. Step 6: Final answer
    x = 404,741.40

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Double scale
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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.