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Finding the Fourth Proportional to 472,230.98, 651,659.46 and 257,366.24

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Solution

The fourth proportional to 472,230.98, 651,659.46 and 257,366.24 is: 355,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,230.98 : 651,659.46 = 257,366.24 : x
  2. Step 2: Convert to fraction form
    472,230.98/651,659.46 = 257,366.24/x
  3. Step 3: Cross multiply
    472,230.98x = 651,659.46 × 257,366.24
  4. Step 4: Simplify right side
    472,230.98x = 167,715,144,980.63
  5. Step 5: Solve for x
    x = 167,715,144,980.63/472,230.98
  6. Step 6: Final answer
    x = 355,154.90

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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.