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Finding the Fourth Proportional to 477,868.01, 716,926.55 and 178,351.07

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Solution

The fourth proportional to 477,868.01, 716,926.55 and 178,351.07 is: 267,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,868.01 : 716,926.55 = 178,351.07 : x
  2. Step 2: Convert to fraction form
    477,868.01/716,926.55 = 178,351.07/x
  3. Step 3: Cross multiply
    477,868.01x = 716,926.55 × 178,351.07
  4. Step 4: Simplify right side
    477,868.01x = 127,864,612,827.52
  5. Step 5: Solve for x
    x = 127,864,612,827.52/477,868.01
  6. Step 6: Final answer
    x = 267,573.08

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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.