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Finding the Fourth Proportional to 564,858.96, 847,262.52 and 190,885.20

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Solution

The fourth proportional to 564,858.96, 847,262.52 and 190,885.20 is: 286,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,858.96 : 847,262.52 = 190,885.20 : x
  2. Step 2: Convert to fraction form
    564,858.96/847,262.52 = 190,885.20/x
  3. Step 3: Cross multiply
    564,858.96x = 847,262.52 × 190,885.20
  4. Step 4: Simplify right side
    564,858.96x = 161,729,875,582.70
  5. Step 5: Solve for x
    x = 161,729,875,582.70/564,858.96
  6. Step 6: Final answer
    x = 286,319.04

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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.