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Finding the Fourth Proportional to 617,532.30, 926,298.45 and 262,557.90

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Solution

The fourth proportional to 617,532.30, 926,298.45 and 262,557.90 is: 393,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,532.30 : 926,298.45 = 262,557.90 : x
  2. Step 2: Convert to fraction form
    617,532.30/926,298.45 = 262,557.90/x
  3. Step 3: Cross multiply
    617,532.30x = 926,298.45 × 262,557.90
  4. Step 4: Simplify right side
    617,532.30x = 243,206,975,805.26
  5. Step 5: Solve for x
    x = 243,206,975,805.26/617,532.30
  6. Step 6: Final answer
    x = 393,836.85

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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.