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Finding the Fourth Proportional to 567,613.77, 783,496.81 and 338,243.00

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Solution

The fourth proportional to 567,613.77, 783,496.81 and 338,243.00 is: 466,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,613.77 : 783,496.81 = 338,243.00 : x
  2. Step 2: Convert to fraction form
    567,613.77/783,496.81 = 338,243.00/x
  3. Step 3: Cross multiply
    567,613.77x = 783,496.81 × 338,243.00
  4. Step 4: Simplify right side
    567,613.77x = 265,012,311,149.93
  5. Step 5: Solve for x
    x = 265,012,311,149.93/567,613.77
  6. Step 6: Final answer
    x = 466,888.45

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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.