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Finding the Fourth Proportional to 669,607.56, 924,217.70 and 383,292.81

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Solution

The fourth proportional to 669,607.56, 924,217.70 and 383,292.81 is: 529,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,607.56 : 924,217.70 = 383,292.81 : x
  2. Step 2: Convert to fraction form
    669,607.56/924,217.70 = 383,292.81/x
  3. Step 3: Cross multiply
    669,607.56x = 924,217.70 × 383,292.81
  4. Step 4: Simplify right side
    669,607.56x = 354,245,997,368.27
  5. Step 5: Solve for x
    x = 354,245,997,368.27/669,607.56
  6. Step 6: Final answer
    x = 529,035.24

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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.