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Finding the Fourth Proportional to 608,897.98, 839,724.19 and 522,829.97

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Solution

The fourth proportional to 608,897.98, 839,724.19 and 522,829.97 is: 721,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,897.98 : 839,724.19 = 522,829.97 : x
  2. Step 2: Convert to fraction form
    608,897.98/839,724.19 = 522,829.97/x
  3. Step 3: Cross multiply
    608,897.98x = 839,724.19 × 522,829.97
  4. Step 4: Simplify right side
    608,897.98x = 439,032,973,065.97
  5. Step 5: Solve for x
    x = 439,032,973,065.97/608,897.98
  6. Step 6: Final answer
    x = 721,028.79

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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.