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Finding the Fourth Proportional to 574,881.40, 862,322.10 and 549,076.60

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Solution

The fourth proportional to 574,881.40, 862,322.10 and 549,076.60 is: 823,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,881.40 : 862,322.10 = 549,076.60 : x
  2. Step 2: Convert to fraction form
    574,881.40/862,322.10 = 549,076.60/x
  3. Step 3: Cross multiply
    574,881.40x = 862,322.10 × 549,076.60
  4. Step 4: Simplify right side
    574,881.40x = 473,480,886,772.86
  5. Step 5: Solve for x
    x = 473,480,886,772.86/574,881.40
  6. Step 6: Final answer
    x = 823,614.90

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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.