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Finding the Fourth Proportional to 624,948.35, 862,424.43 and 338,461.88

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Solution

The fourth proportional to 624,948.35, 862,424.43 and 338,461.88 is: 467,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,948.35 : 862,424.43 = 338,461.88 : x
  2. Step 2: Convert to fraction form
    624,948.35/862,424.43 = 338,461.88/x
  3. Step 3: Cross multiply
    624,948.35x = 862,424.43 × 338,461.88
  4. Step 4: Simplify right side
    624,948.35x = 291,897,793,935.73
  5. Step 5: Solve for x
    x = 291,897,793,935.73/624,948.35
  6. Step 6: Final answer
    x = 467,075.07

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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.