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Finding the Fourth Proportional to 472,177.88, 651,586.51 and 257,313.32

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Solution

The fourth proportional to 472,177.88, 651,586.51 and 257,313.32 is: 355,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,177.88 : 651,586.51 = 257,313.32 : x
  2. Step 2: Convert to fraction form
    472,177.88/651,586.51 = 257,313.32/x
  3. Step 3: Cross multiply
    472,177.88x = 651,586.51 × 257,313.32
  4. Step 4: Simplify right side
    472,177.88x = 167,661,888,155.31
  5. Step 5: Solve for x
    x = 167,661,888,155.31/472,177.88
  6. Step 6: Final answer
    x = 355,082.05

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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.