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Finding the Fourth Proportional to 369,071.63, 553,607.46 and 88,588.88

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Solution

The fourth proportional to 369,071.63, 553,607.46 and 88,588.88 is: 132,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,071.63 : 553,607.46 = 88,588.88 : x
  2. Step 2: Convert to fraction form
    369,071.63/553,607.46 = 88,588.88/x
  3. Step 3: Cross multiply
    369,071.63x = 553,607.46 × 88,588.88
  4. Step 4: Simplify right side
    369,071.63x = 49,043,462,073.01
  5. Step 5: Solve for x
    x = 49,043,462,073.01/369,071.63
  6. Step 6: Final answer
    x = 132,883.32

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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.