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Finding the Fourth Proportional to 477,927.55, 716,889.50 and 178,483.51

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Solution

The fourth proportional to 477,927.55, 716,889.50 and 178,483.51 is: 267,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,927.55 : 716,889.50 = 178,483.51 : x
  2. Step 2: Convert to fraction form
    477,927.55/716,889.50 = 178,483.51/x
  3. Step 3: Cross multiply
    477,927.55x = 716,889.50 × 178,483.51
  4. Step 4: Simplify right side
    477,927.55x = 127,952,954,242.15
  5. Step 5: Solve for x
    x = 127,952,954,242.15/477,927.55
  6. Step 6: Final answer
    x = 267,724.58

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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.