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Finding the Fourth Proportional to 368,735.88, 553,275.96 and 191,146.02

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Solution

The fourth proportional to 368,735.88, 553,275.96 and 191,146.02 is: 286,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,735.88 : 553,275.96 = 191,146.02 : x
  2. Step 2: Convert to fraction form
    368,735.88/553,275.96 = 191,146.02/x
  3. Step 3: Cross multiply
    368,735.88x = 553,275.96 × 191,146.02
  4. Step 4: Simplify right side
    368,735.88x = 105,756,497,715.68
  5. Step 5: Solve for x
    x = 105,756,497,715.68/368,735.88
  6. Step 6: Final answer
    x = 286,808.26

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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.