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Finding the Fourth Proportional to 452,499.69, 624,432.47 and 251,308.65

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Solution

The fourth proportional to 452,499.69, 624,432.47 and 251,308.65 is: 346,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,499.69 : 624,432.47 = 251,308.65 : x
  2. Step 2: Convert to fraction form
    452,499.69/624,432.47 = 251,308.65/x
  3. Step 3: Cross multiply
    452,499.69x = 624,432.47 × 251,308.65
  4. Step 4: Simplify right side
    452,499.69x = 156,925,279,795.32
  5. Step 5: Solve for x
    x = 156,925,279,795.32/452,499.69
  6. Step 6: Final answer
    x = 346,796.44

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1.5x scale

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.