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Finding the Fourth Proportional to 590,459.54, 885,829.85 and 191,100.31

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Solution

The fourth proportional to 590,459.54, 885,829.85 and 191,100.31 is: 286,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,459.54 : 885,829.85 = 191,100.31 : x
  2. Step 2: Convert to fraction form
    590,459.54/885,829.85 = 191,100.31/x
  3. Step 3: Cross multiply
    590,459.54x = 885,829.85 × 191,100.31
  4. Step 4: Simplify right side
    590,459.54x = 169,282,360,934.13
  5. Step 5: Solve for x
    x = 169,282,360,934.13/590,459.54
  6. Step 6: Final answer
    x = 286,695.95

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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.