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Finding the Fourth Proportional to 535,170.72, 801,181.38 and 357,236.40

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Solution

The fourth proportional to 535,170.72, 801,181.38 and 357,236.40 is: 534,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,170.72 : 801,181.38 = 357,236.40 : x
  2. Step 2: Convert to fraction form
    535,170.72/801,181.38 = 357,236.40/x
  3. Step 3: Cross multiply
    535,170.72x = 801,181.38 × 357,236.40
  4. Step 4: Simplify right side
    535,170.72x = 286,211,151,938.23
  5. Step 5: Solve for x
    x = 286,211,151,938.23/535,170.72
  6. Step 6: Final answer
    x = 534,803.46

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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.