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Finding the Fourth Proportional to 294,740.01, 406,719.36 and 167,391

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Solution

The fourth proportional to 294,740.01, 406,719.36 and 167,391 is: 230,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,740.01 : 406,719.36 = 167,391 : x
  2. Step 2: Convert to fraction form
    294,740.01/406,719.36 = 167,391/x
  3. Step 3: Cross multiply
    294,740.01x = 406,719.36 × 167,391
  4. Step 4: Simplify right side
    294,740.01x = 68,081,160,389.76
  5. Step 5: Solve for x
    x = 68,081,160,389.76/294,740.01
  6. Step 6: Final answer
    x = 230,987.17

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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.