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Finding the Fourth Proportional to 606,693.15, 909,331.23 and 456,450.81

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Solution

The fourth proportional to 606,693.15, 909,331.23 and 456,450.81 is: 684,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,693.15 : 909,331.23 = 456,450.81 : x
  2. Step 2: Convert to fraction form
    606,693.15/909,331.23 = 456,450.81/x
  3. Step 3: Cross multiply
    606,693.15x = 909,331.23 × 456,450.81
  4. Step 4: Simplify right side
    606,693.15x = 415,064,976,491.80
  5. Step 5: Solve for x
    x = 415,064,976,491.80/606,693.15
  6. Step 6: Final answer
    x = 684,143.17

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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.