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Finding the Fourth Proportional to 669,232, 923,554.74 and 367,426

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Solution

The fourth proportional to 669,232, 923,554.74 and 367,426 is: 507,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,232 : 923,554.74 = 367,426 : x
  2. Step 2: Convert to fraction form
    669,232/923,554.74 = 367,426/x
  3. Step 3: Cross multiply
    669,232x = 923,554.74 × 367,426
  4. Step 4: Simplify right side
    669,232x = 339,338,023,899.24
  5. Step 5: Solve for x
    x = 339,338,023,899.24/669,232
  6. Step 6: Final answer
    x = 507,055.88

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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.