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Finding the Fourth Proportional to 294,636.49, 406,598.39 and 160,500.49

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Solution

The fourth proportional to 294,636.49, 406,598.39 and 160,500.49 is: 221,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,636.49 : 406,598.39 = 160,500.49 : x
  2. Step 2: Convert to fraction form
    294,636.49/406,598.39 = 160,500.49/x
  3. Step 3: Cross multiply
    294,636.49x = 406,598.39 × 160,500.49
  4. Step 4: Simplify right side
    294,636.49x = 65,259,240,828.21
  5. Step 5: Solve for x
    x = 65,259,240,828.21/294,636.49
  6. Step 6: Final answer
    x = 221,490.69

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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.