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Finding the Fourth Proportional to 369,153, 553,782.96 and 116,348.04

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Solution

The fourth proportional to 369,153, 553,782.96 and 116,348.04 is: 174,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,153 : 553,782.96 = 116,348.04 : x
  2. Step 2: Convert to fraction form
    369,153/553,782.96 = 116,348.04/x
  3. Step 3: Cross multiply
    369,153x = 553,782.96 × 116,348.04
  4. Step 4: Simplify right side
    369,153x = 64,431,561,981.40
  5. Step 5: Solve for x
    x = 64,431,561,981.40/369,153
  6. Step 6: Final answer
    x = 174,538.91

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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.