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Finding the Fourth Proportional to 506,878.25, 760,022.13 and 222,557.45

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Solution

The fourth proportional to 506,878.25, 760,022.13 and 222,557.45 is: 333,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,878.25 : 760,022.13 = 222,557.45 : x
  2. Step 2: Convert to fraction form
    506,878.25/760,022.13 = 222,557.45/x
  3. Step 3: Cross multiply
    506,878.25x = 760,022.13 × 222,557.45
  4. Step 4: Simplify right side
    506,878.25x = 169,148,587,196.37
  5. Step 5: Solve for x
    x = 169,148,587,196.37/506,878.25
  6. Step 6: Final answer
    x = 333,706.54

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1.5x scale

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.