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Finding the Fourth Proportional to 369,300, 553,728.32 and 169,369.92

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Solution

The fourth proportional to 369,300, 553,728.32 and 169,369.92 is: 253,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,300 : 553,728.32 = 169,369.92 : x
  2. Step 2: Convert to fraction form
    369,300/553,728.32 = 169,369.92/x
  3. Step 3: Cross multiply
    369,300x = 553,728.32 × 169,369.92
  4. Step 4: Simplify right side
    369,300x = 93,784,921,260.13
  5. Step 5: Solve for x
    x = 93,784,921,260.13/369,300
  6. Step 6: Final answer
    x = 253,953.21

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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.