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Finding the Fourth Proportional to 416,302.98, 623,895.03 and 216,207.06

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Solution

The fourth proportional to 416,302.98, 623,895.03 and 216,207.06 is: 324,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,302.98 : 623,895.03 = 216,207.06 : x
  2. Step 2: Convert to fraction form
    416,302.98/623,895.03 = 216,207.06/x
  3. Step 3: Cross multiply
    416,302.98x = 623,895.03 × 216,207.06
  4. Step 4: Simplify right side
    416,302.98x = 134,890,510,184.91
  5. Step 5: Solve for x
    x = 134,890,510,184.91/416,302.98
  6. Step 6: Final answer
    x = 324,020.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.