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Finding the Fourth Proportional to 704,883.84, 972,713.60 and 382,587.04

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Solution

The fourth proportional to 704,883.84, 972,713.60 and 382,587.04 is: 527,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,883.84 : 972,713.60 = 382,587.04 : x
  2. Step 2: Convert to fraction form
    704,883.84/972,713.60 = 382,587.04/x
  3. Step 3: Cross multiply
    704,883.84x = 972,713.60 × 382,587.04
  4. Step 4: Simplify right side
    704,883.84x = 372,147,616,991.74
  5. Step 5: Solve for x
    x = 372,147,616,991.74/704,883.84
  6. Step 6: Final answer
    x = 527,955.95

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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.