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Finding the Fourth Proportional to 641,603.01, 885,609.41 and 369,852.67

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Solution

The fourth proportional to 641,603.01, 885,609.41 and 369,852.67 is: 510,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,603.01 : 885,609.41 = 369,852.67 : x
  2. Step 2: Convert to fraction form
    641,603.01/885,609.41 = 369,852.67/x
  3. Step 3: Cross multiply
    641,603.01x = 885,609.41 × 369,852.67
  4. Step 4: Simplify right side
    641,603.01x = 327,545,004,865.63
  5. Step 5: Solve for x
    x = 327,545,004,865.63/641,603.01
  6. Step 6: Final answer
    x = 510,510.39

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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.