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Finding the Fourth Proportional to 411,948.10, 617,922.15 and 175,212.10

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Solution

The fourth proportional to 411,948.10, 617,922.15 and 175,212.10 is: 262,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,948.10 : 617,922.15 = 175,212.10 : x
  2. Step 2: Convert to fraction form
    411,948.10/617,922.15 = 175,212.10/x
  3. Step 3: Cross multiply
    411,948.10x = 617,922.15 × 175,212.10
  4. Step 4: Simplify right side
    411,948.10x = 108,267,437,538.02
  5. Step 5: Solve for x
    x = 108,267,437,538.02/411,948.10
  6. Step 6: Final answer
    x = 262,818.15

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Similar ratio
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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.