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Finding the Fourth Proportional to 477,750.66, 659,275.99 and 259,960.18

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Solution

The fourth proportional to 477,750.66, 659,275.99 and 259,960.18 is: 358,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,750.66 : 659,275.99 = 259,960.18 : x
  2. Step 2: Convert to fraction form
    477,750.66/659,275.99 = 259,960.18/x
  3. Step 3: Cross multiply
    477,750.66x = 659,275.99 × 259,960.18
  4. Step 4: Simplify right side
    477,750.66x = 171,385,505,030.08
  5. Step 5: Solve for x
    x = 171,385,505,030.08/477,750.66
  6. Step 6: Final answer
    x = 358,734.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.