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Finding the Fourth Proportional to 610,554.57, 842,617.05 and 338,710.04

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Solution

The fourth proportional to 610,554.57, 842,617.05 and 338,710.04 is: 467,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,554.57 : 842,617.05 = 338,710.04 : x
  2. Step 2: Convert to fraction form
    610,554.57/842,617.05 = 338,710.04/x
  3. Step 3: Cross multiply
    610,554.57x = 842,617.05 × 338,710.04
  4. Step 4: Simplify right side
    610,554.57x = 285,402,858,799.41
  5. Step 5: Solve for x
    x = 285,402,858,799.41/610,554.57
  6. Step 6: Final answer
    x = 467,448.56

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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.