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Finding the Fourth Proportional to 471,417.95, 650,544.27 and 256,553.40

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Solution

The fourth proportional to 471,417.95, 650,544.27 and 256,553.40 is: 354,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,417.95 : 650,544.27 = 256,553.40 : x
  2. Step 2: Convert to fraction form
    471,417.95/650,544.27 = 256,553.40/x
  3. Step 3: Cross multiply
    471,417.95x = 650,544.27 × 256,553.40
  4. Step 4: Simplify right side
    471,417.95x = 166,899,344,319.02
  5. Step 5: Solve for x
    x = 166,899,344,319.02/471,417.95
  6. Step 6: Final answer
    x = 354,036.89

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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.