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Finding the Fourth Proportional to 679,510.41, 937,726.23 and 373,618.06

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Solution

The fourth proportional to 679,510.41, 937,726.23 and 373,618.06 is: 515,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,510.41 : 937,726.23 = 373,618.06 : x
  2. Step 2: Convert to fraction form
    679,510.41/937,726.23 = 373,618.06/x
  3. Step 3: Cross multiply
    679,510.41x = 937,726.23 × 373,618.06
  4. Step 4: Simplify right side
    679,510.41x = 350,351,454,863.71
  5. Step 5: Solve for x
    x = 350,351,454,863.71/679,510.41
  6. Step 6: Final answer
    x = 515,593.95

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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.