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Finding the Fourth Proportional to 330,295.90, 455,780.52 and 183,124.70

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Solution

The fourth proportional to 330,295.90, 455,780.52 and 183,124.70 is: 252,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,295.90 : 455,780.52 = 183,124.70 : x
  2. Step 2: Convert to fraction form
    330,295.90/455,780.52 = 183,124.70/x
  3. Step 3: Cross multiply
    330,295.90x = 455,780.52 × 183,124.70
  4. Step 4: Simplify right side
    330,295.90x = 83,464,670,421.12
  5. Step 5: Solve for x
    x = 83,464,670,421.12/330,295.90
  6. Step 6: Final answer
    x = 252,696.66

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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.