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Finding the Fourth Proportional to 477,817.04, 716,670.12 and 178,308.08

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Solution

The fourth proportional to 477,817.04, 716,670.12 and 178,308.08 is: 267,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,817.04 : 716,670.12 = 178,308.08 : x
  2. Step 2: Convert to fraction form
    477,817.04/716,670.12 = 178,308.08/x
  3. Step 3: Cross multiply
    477,817.04x = 716,670.12 × 178,308.08
  4. Step 4: Simplify right side
    477,817.04x = 127,788,073,090.57
  5. Step 5: Solve for x
    x = 127,788,073,090.57/477,817.04
  6. Step 6: Final answer
    x = 267,441.43

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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.