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Finding the Fourth Proportional to 452,805.51, 624,830.94 and 248,854.20

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Solution

The fourth proportional to 452,805.51, 624,830.94 and 248,854.20 is: 343,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,805.51 : 624,830.94 = 248,854.20 : x
  2. Step 2: Convert to fraction form
    452,805.51/624,830.94 = 248,854.20/x
  3. Step 3: Cross multiply
    452,805.51x = 624,830.94 × 248,854.20
  4. Step 4: Simplify right side
    452,805.51x = 155,491,803,708.95
  5. Step 5: Solve for x
    x = 155,491,803,708.95/452,805.51
  6. Step 6: Final answer
    x = 343,396.45

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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.