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Finding the Fourth Proportional to 400,494.95, 552,681.02 and 216,733.39

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Solution

The fourth proportional to 400,494.95, 552,681.02 and 216,733.39 is: 299,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,494.95 : 552,681.02 = 216,733.39 : x
  2. Step 2: Convert to fraction form
    400,494.95/552,681.02 = 216,733.39/x
  3. Step 3: Cross multiply
    400,494.95x = 552,681.02 × 216,733.39
  4. Step 4: Simplify right side
    400,494.95x = 119,784,431,379.20
  5. Step 5: Solve for x
    x = 119,784,431,379.20/400,494.95
  6. Step 6: Final answer
    x = 299,090.99

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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.