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Finding the Fourth Proportional to 590,970.40, 886,564.95 and 191,624.20

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Solution

The fourth proportional to 590,970.40, 886,564.95 and 191,624.20 is: 287,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,970.40 : 886,564.95 = 191,624.20 : x
  2. Step 2: Convert to fraction form
    590,970.40/886,564.95 = 191,624.20/x
  3. Step 3: Cross multiply
    590,970.40x = 886,564.95 × 191,624.20
  4. Step 4: Simplify right side
    590,970.40x = 169,887,299,291.79
  5. Step 5: Solve for x
    x = 169,887,299,291.79/590,970.40
  6. Step 6: Final answer
    x = 287,471.76

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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.