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Finding the Fourth Proportional to 669,608.56, 924,219.08 and 383,293.81

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Solution

The fourth proportional to 669,608.56, 924,219.08 and 383,293.81 is: 529,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,608.56 : 924,219.08 = 383,293.81 : x
  2. Step 2: Convert to fraction form
    669,608.56/924,219.08 = 383,293.81/x
  3. Step 3: Cross multiply
    669,608.56x = 924,219.08 × 383,293.81
  4. Step 4: Simplify right side
    669,608.56x = 354,247,452,447.90
  5. Step 5: Solve for x
    x = 354,247,452,447.90/669,608.56
  6. Step 6: Final answer
    x = 529,036.62

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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.