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Finding the Fourth Proportional to 630,343.78, 940,599.31 and 562,408.78

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Solution

The fourth proportional to 630,343.78, 940,599.31 and 562,408.78 is: 839,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,343.78 : 940,599.31 = 562,408.78 : x
  2. Step 2: Convert to fraction form
    630,343.78/940,599.31 = 562,408.78/x
  3. Step 3: Cross multiply
    630,343.78x = 940,599.31 × 562,408.78
  4. Step 4: Simplify right side
    630,343.78x = 529,001,310,405.94
  5. Step 5: Solve for x
    x = 529,001,310,405.94/630,343.78
  6. Step 6: Final answer
    x = 839,226.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.