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Finding the Fourth Proportional to 610,377.41, 842,330.91 and 338,456.77

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Solution

The fourth proportional to 610,377.41, 842,330.91 and 338,456.77 is: 467,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,377.41 : 842,330.91 = 338,456.77 : x
  2. Step 2: Convert to fraction form
    610,377.41/842,330.91 = 338,456.77/x
  3. Step 3: Cross multiply
    610,377.41x = 842,330.91 × 338,456.77
  4. Step 4: Simplify right side
    610,377.41x = 285,092,599,069.76
  5. Step 5: Solve for x
    x = 285,092,599,069.76/610,377.41
  6. Step 6: Final answer
    x = 467,075.93

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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.