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Finding the Fourth Proportional to 704,331.25, 971,970.23 and 382,036.70

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Solution

The fourth proportional to 704,331.25, 971,970.23 and 382,036.70 is: 527,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,331.25 : 971,970.23 = 382,036.70 : x
  2. Step 2: Convert to fraction form
    704,331.25/971,970.23 = 382,036.70/x
  3. Step 3: Cross multiply
    704,331.25x = 971,970.23 × 382,036.70
  4. Step 4: Simplify right side
    704,331.25x = 371,328,302,552.46
  5. Step 5: Solve for x
    x = 371,328,302,552.46/704,331.25
  6. Step 6: Final answer
    x = 527,206.91

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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.