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Finding the Fourth Proportional to 452,641.65, 624,635.43 and 245,904.69

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Solution

The fourth proportional to 452,641.65, 624,635.43 and 245,904.69 is: 339,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,641.65 : 624,635.43 = 245,904.69 : x
  2. Step 2: Convert to fraction form
    452,641.65/624,635.43 = 245,904.69/x
  3. Step 3: Cross multiply
    452,641.65x = 624,635.43 × 245,904.69
  4. Step 4: Simplify right side
    452,641.65x = 153,600,781,777.17
  5. Step 5: Solve for x
    x = 153,600,781,777.17/452,641.65
  6. Step 6: Final answer
    x = 339,343.01

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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.