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Finding the Fourth Proportional to 284,298.58, 392,167.57 and 183,696.58

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Solution

The fourth proportional to 284,298.58, 392,167.57 and 183,696.58 is: 253,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,298.58 : 392,167.57 = 183,696.58 : x
  2. Step 2: Convert to fraction form
    284,298.58/392,167.57 = 183,696.58/x
  3. Step 3: Cross multiply
    284,298.58x = 392,167.57 × 183,696.58
  4. Step 4: Simplify right side
    284,298.58x = 72,039,839,956.25
  5. Step 5: Solve for x
    x = 72,039,839,956.25/284,298.58
  6. Step 6: Final answer
    x = 253,395.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.