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Finding the Fourth Proportional to 469,510.12, 647,925.14 and 254,650.23

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Solution

The fourth proportional to 469,510.12, 647,925.14 and 254,650.23 is: 351,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,510.12 : 647,925.14 = 254,650.23 : x
  2. Step 2: Convert to fraction form
    469,510.12/647,925.14 = 254,650.23/x
  3. Step 3: Cross multiply
    469,510.12x = 647,925.14 × 254,650.23
  4. Step 4: Simplify right side
    469,510.12x = 164,994,286,560.41
  5. Step 5: Solve for x
    x = 164,994,286,560.41/469,510.12
  6. Step 6: Final answer
    x = 351,417.95

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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.