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Finding the Fourth Proportional to 436,338.42, 602,125.02 and 245,340.42

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Solution

The fourth proportional to 436,338.42, 602,125.02 and 245,340.42 is: 338,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,338.42 : 602,125.02 = 245,340.42 : x
  2. Step 2: Convert to fraction form
    436,338.42/602,125.02 = 245,340.42/x
  3. Step 3: Cross multiply
    436,338.42x = 602,125.02 × 245,340.42
  4. Step 4: Simplify right side
    436,338.42x = 147,725,605,299.31
  5. Step 5: Solve for x
    x = 147,725,605,299.31/436,338.42
  6. Step 6: Final answer
    x = 338,557.41

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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.