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Finding the Fourth Proportional to 607,304.36, 910,231.78 and 282,655.60

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Solution

The fourth proportional to 607,304.36, 910,231.78 and 282,655.60 is: 423,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,304.36 : 910,231.78 = 282,655.60 : x
  2. Step 2: Convert to fraction form
    607,304.36/910,231.78 = 282,655.60/x
  3. Step 3: Cross multiply
    607,304.36x = 910,231.78 × 282,655.60
  4. Step 4: Simplify right side
    607,304.36x = 257,282,103,950.53
  5. Step 5: Solve for x
    x = 257,282,103,950.53/607,304.36
  6. Step 6: Final answer
    x = 423,646.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.