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Finding the Fourth Proportional to 669,531.72, 923,953.74 and 367,725.72

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Solution

The fourth proportional to 669,531.72, 923,953.74 and 367,725.72 is: 507,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,531.72 : 923,953.74 = 367,725.72 : x
  2. Step 2: Convert to fraction form
    669,531.72/923,953.74 = 367,725.72/x
  3. Step 3: Cross multiply
    669,531.72x = 923,953.74 × 367,725.72
  4. Step 4: Simplify right side
    669,531.72x = 339,761,554,288.19
  5. Step 5: Solve for x
    x = 339,761,554,288.19/669,531.72
  6. Step 6: Final answer
    x = 507,461.48

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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.