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Finding the Fourth Proportional to 369,833.10, 510,384.15 and 216,850.02

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Solution

The fourth proportional to 369,833.10, 510,384.15 and 216,850.02 is: 299,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,833.10 : 510,384.15 = 216,850.02 : x
  2. Step 2: Convert to fraction form
    369,833.10/510,384.15 = 216,850.02/x
  3. Step 3: Cross multiply
    369,833.10x = 510,384.15 × 216,850.02
  4. Step 4: Simplify right side
    369,833.10x = 110,676,813,135.18
  5. Step 5: Solve for x
    x = 110,676,813,135.18/369,833.10
  6. Step 6: Final answer
    x = 299,261.51

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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.