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Finding the Fourth Proportional to 606,986.48, 909,770.80 and 456,743.84

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Solution

The fourth proportional to 606,986.48, 909,770.80 and 456,743.84 is: 684,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,986.48 : 909,770.80 = 456,743.84 : x
  2. Step 2: Convert to fraction form
    606,986.48/909,770.80 = 456,743.84/x
  3. Step 3: Cross multiply
    606,986.48x = 909,770.80 × 456,743.84
  4. Step 4: Simplify right side
    606,986.48x = 415,532,208,711.87
  5. Step 5: Solve for x
    x = 415,532,208,711.87/606,986.48
  6. Step 6: Final answer
    x = 684,582.31

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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.