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Finding the Fourth Proportional to 294,800.72, 406,825.08 and 160,664.72

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Solution

The fourth proportional to 294,800.72, 406,825.08 and 160,664.72 is: 221,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,800.72 : 406,825.08 = 160,664.72 : x
  2. Step 2: Convert to fraction form
    294,800.72/406,825.08 = 160,664.72/x
  3. Step 3: Cross multiply
    294,800.72x = 406,825.08 × 160,664.72
  4. Step 4: Simplify right side
    294,800.72x = 65,362,437,567.18
  5. Step 5: Solve for x
    x = 65,362,437,567.18/294,800.72
  6. Step 6: Final answer
    x = 221,717.36

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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.