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Finding the Fourth Proportional to 477,766.64, 716,753.64 and 145,334

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Solution

The fourth proportional to 477,766.64, 716,753.64 and 145,334 is: 218,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,766.64 : 716,753.64 = 145,334 : x
  2. Step 2: Convert to fraction form
    477,766.64/716,753.64 = 145,334/x
  3. Step 3: Cross multiply
    477,766.64x = 716,753.64 × 145,334
  4. Step 4: Simplify right side
    477,766.64x = 104,168,673,515.76
  5. Step 5: Solve for x
    x = 104,168,673,515.76/477,766.64
  6. Step 6: Final answer
    x = 218,032.54

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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.