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Finding the Fourth Proportional to 549,871.60, 824,807.40 and 269,935.60

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Solution

The fourth proportional to 549,871.60, 824,807.40 and 269,935.60 is: 404,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,871.60 : 824,807.40 = 269,935.60 : x
  2. Step 2: Convert to fraction form
    549,871.60/824,807.40 = 269,935.60/x
  3. Step 3: Cross multiply
    549,871.60x = 824,807.40 × 269,935.60
  4. Step 4: Simplify right side
    549,871.60x = 222,644,880,403.44
  5. Step 5: Solve for x
    x = 222,644,880,403.44/549,871.60
  6. Step 6: Final answer
    x = 404,903.40

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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.