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Finding the Fourth Proportional to 356,902.13, 535,328.14 and 167,404.05

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Solution

The fourth proportional to 356,902.13, 535,328.14 and 167,404.05 is: 251,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,902.13 : 535,328.14 = 167,404.05 : x
  2. Step 2: Convert to fraction form
    356,902.13/535,328.14 = 167,404.05/x
  3. Step 3: Cross multiply
    356,902.13x = 535,328.14 × 167,404.05
  4. Step 4: Simplify right side
    356,902.13x = 89,616,098,296.46
  5. Step 5: Solve for x
    x = 89,616,098,296.46/356,902.13
  6. Step 6: Final answer
    x = 251,094.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.