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Finding the Fourth Proportional to 625,610.69, 936,900.63 and 432,945.24

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Solution

The fourth proportional to 625,610.69, 936,900.63 and 432,945.24 is: 648,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,610.69 : 936,900.63 = 432,945.24 : x
  2. Step 2: Convert to fraction form
    625,610.69/936,900.63 = 432,945.24/x
  3. Step 3: Cross multiply
    625,610.69x = 936,900.63 × 432,945.24
  4. Step 4: Simplify right side
    625,610.69x = 405,626,668,111.50
  5. Step 5: Solve for x
    x = 405,626,668,111.50/625,610.69
  6. Step 6: Final answer
    x = 648,369.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.