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Finding the Fourth Proportional to 669,730.56, 924,228 and 367,924.32

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Solution

The fourth proportional to 669,730.56, 924,228 and 367,924.32 is: 507,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,730.56 : 924,228 = 367,924.32 : x
  2. Step 2: Convert to fraction form
    669,730.56/924,228 = 367,924.32/x
  3. Step 3: Cross multiply
    669,730.56x = 924,228 × 367,924.32
  4. Step 4: Simplify right side
    669,730.56x = 340,045,958,424.96
  5. Step 5: Solve for x
    x = 340,045,958,424.96/669,730.56
  6. Step 6: Final answer
    x = 507,735.47

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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.