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Finding the Fourth Proportional to 369,356.92, 553,838.46 and 191,685.04

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Solution

The fourth proportional to 369,356.92, 553,838.46 and 191,685.04 is: 287,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,356.92 : 553,838.46 = 191,685.04 : x
  2. Step 2: Convert to fraction form
    369,356.92/553,838.46 = 191,685.04/x
  3. Step 3: Cross multiply
    369,356.92x = 553,838.46 × 191,685.04
  4. Step 4: Simplify right side
    369,356.92x = 106,162,547,358.64
  5. Step 5: Solve for x
    x = 106,162,547,358.64/369,356.92
  6. Step 6: Final answer
    x = 287,425.36

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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.