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Finding the Fourth Proportional to 357,346.10, 535,905.34 and 117,404.30

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Solution

The fourth proportional to 357,346.10, 535,905.34 and 117,404.30 is: 176,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,346.10 : 535,905.34 = 117,404.30 : x
  2. Step 2: Convert to fraction form
    357,346.10/535,905.34 = 117,404.30/x
  3. Step 3: Cross multiply
    357,346.10x = 535,905.34 × 117,404.30
  4. Step 4: Simplify right side
    357,346.10x = 62,917,591,308.96
  5. Step 5: Solve for x
    x = 62,917,591,308.96/357,346.10
  6. Step 6: Final answer
    x = 176,069.06

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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.