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Finding the Fourth Proportional to 452,807.69, 624,889.60 and 248,865.84

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Solution

The fourth proportional to 452,807.69, 624,889.60 and 248,865.84 is: 343,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,807.69 : 624,889.60 = 248,865.84 : x
  2. Step 2: Convert to fraction form
    452,807.69/624,889.60 = 248,865.84/x
  3. Step 3: Cross multiply
    452,807.69x = 624,889.60 × 248,865.84
  4. Step 4: Simplify right side
    452,807.69x = 155,513,675,211.26
  5. Step 5: Solve for x
    x = 155,513,675,211.26/452,807.69
  6. Step 6: Final answer
    x = 343,443.10

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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.