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Finding the Fourth Proportional to 606,983.48, 909,766.30 and 456,740.84

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Solution

The fourth proportional to 606,983.48, 909,766.30 and 456,740.84 is: 684,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,983.48 : 909,766.30 = 456,740.84 : x
  2. Step 2: Convert to fraction form
    606,983.48/909,766.30 = 456,740.84/x
  3. Step 3: Cross multiply
    606,983.48x = 909,766.30 × 456,740.84
  4. Step 4: Simplify right side
    606,983.48x = 415,527,424,065.69
  5. Step 5: Solve for x
    x = 415,527,424,065.69/606,983.48
  6. Step 6: Final answer
    x = 684,577.81

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Double scale
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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.