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Finding the Fourth Proportional to 459,521.95, 634,046.43 and 268,498.42

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Solution

The fourth proportional to 459,521.95, 634,046.43 and 268,498.42 is: 370,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,521.95 : 634,046.43 = 268,498.42 : x
  2. Step 2: Convert to fraction form
    459,521.95/634,046.43 = 268,498.42/x
  3. Step 3: Cross multiply
    459,521.95x = 634,046.43 × 268,498.42
  4. Step 4: Simplify right side
    459,521.95x = 170,240,464,661.64
  5. Step 5: Solve for x
    x = 170,240,464,661.64/459,521.95
  6. Step 6: Final answer
    x = 370,472.98

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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.