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Finding the Fourth Proportional to 471,418.95, 650,545.65 and 256,554.40

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Solution

The fourth proportional to 471,418.95, 650,545.65 and 256,554.40 is: 354,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,418.95 : 650,545.65 = 256,554.40 : x
  2. Step 2: Convert to fraction form
    471,418.95/650,545.65 = 256,554.40/x
  3. Step 3: Cross multiply
    471,418.95x = 650,545.65 × 256,554.40
  4. Step 4: Simplify right side
    471,418.95x = 166,900,348,908.36
  5. Step 5: Solve for x
    x = 166,900,348,908.36/471,418.95
  6. Step 6: Final answer
    x = 354,038.27

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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.