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Finding the Fourth Proportional to 464,549.36, 696,690.17 and 127,601.01

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Solution

The fourth proportional to 464,549.36, 696,690.17 and 127,601.01 is: 191,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,549.36 : 696,690.17 = 127,601.01 : x
  2. Step 2: Convert to fraction form
    464,549.36/696,690.17 = 127,601.01/x
  3. Step 3: Cross multiply
    464,549.36x = 696,690.17 × 127,601.01
  4. Step 4: Simplify right side
    464,549.36x = 88,898,368,711.07
  5. Step 5: Solve for x
    x = 88,898,368,711.07/464,549.36
  6. Step 6: Final answer
    x = 191,364.74

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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.