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Finding the Fourth Proportional to 353,127.84, 487,325.82 and 191,993.76

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Solution

The fourth proportional to 353,127.84, 487,325.82 and 191,993.76 is: 264,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,127.84 : 487,325.82 = 191,993.76 : x
  2. Step 2: Convert to fraction form
    353,127.84/487,325.82 = 191,993.76/x
  3. Step 3: Cross multiply
    353,127.84x = 487,325.82 × 191,993.76
  4. Step 4: Simplify right side
    353,127.84x = 93,563,516,526.88
  5. Step 5: Solve for x
    x = 93,563,516,526.88/353,127.84
  6. Step 6: Final answer
    x = 264,956.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.