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Finding the Fourth Proportional to 669,458.70, 923,850 and 363,532.59

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Solution

The fourth proportional to 669,458.70, 923,850 and 363,532.59 is: 501,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,458.70 : 923,850 = 363,532.59 : x
  2. Step 2: Convert to fraction form
    669,458.70/923,850 = 363,532.59/x
  3. Step 3: Cross multiply
    669,458.70x = 923,850 × 363,532.59
  4. Step 4: Simplify right side
    669,458.70x = 335,849,583,271.50
  5. Step 5: Solve for x
    x = 335,849,583,271.50/669,458.70
  6. Step 6: Final answer
    x = 501,673.34

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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.