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Finding the Fourth Proportional to 266,280.84, 367,298.82 and 202,478.76

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Solution

The fourth proportional to 266,280.84, 367,298.82 and 202,478.76 is: 279,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,280.84 : 367,298.82 = 202,478.76 : x
  2. Step 2: Convert to fraction form
    266,280.84/367,298.82 = 202,478.76/x
  3. Step 3: Cross multiply
    266,280.84x = 367,298.82 × 202,478.76
  4. Step 4: Simplify right side
    266,280.84x = 74,370,209,623.06
  5. Step 5: Solve for x
    x = 74,370,209,623.06/266,280.84
  6. Step 6: Final answer
    x = 279,292.38

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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.