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Finding the Fourth Proportional to 606,205, 909,343.95 and 185,484.52

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Solution

The fourth proportional to 606,205, 909,343.95 and 185,484.52 is: 278,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,205 : 909,343.95 = 185,484.52 : x
  2. Step 2: Convert to fraction form
    606,205/909,343.95 = 185,484.52/x
  3. Step 3: Cross multiply
    606,205x = 909,343.95 × 185,484.52
  4. Step 4: Simplify right side
    606,205x = 168,669,226,080.65
  5. Step 5: Solve for x
    x = 168,669,226,080.65/606,205
  6. Step 6: Final answer
    x = 278,237.93

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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.