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Finding the Fourth Proportional to 564,984.90, 847,477.35 and 191,007.90

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Solution

The fourth proportional to 564,984.90, 847,477.35 and 191,007.90 is: 286,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,984.90 : 847,477.35 = 191,007.90 : x
  2. Step 2: Convert to fraction form
    564,984.90/847,477.35 = 191,007.90/x
  3. Step 3: Cross multiply
    564,984.90x = 847,477.35 × 191,007.90
  4. Step 4: Simplify right side
    564,984.90x = 161,874,868,921.07
  5. Step 5: Solve for x
    x = 161,874,868,921.07/564,984.90
  6. Step 6: Final answer
    x = 286,511.85

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Similar ratio
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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.