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Finding the Fourth Proportional to 673,559.51, 929,512.13 and 459,074.27

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Solution

The fourth proportional to 673,559.51, 929,512.13 and 459,074.27 is: 633,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,559.51 : 929,512.13 = 459,074.27 : x
  2. Step 2: Convert to fraction form
    673,559.51/929,512.13 = 459,074.27/x
  3. Step 3: Cross multiply
    673,559.51x = 929,512.13 × 459,074.27
  4. Step 4: Simplify right side
    673,559.51x = 426,715,101,209.24
  5. Step 5: Solve for x
    x = 426,715,101,209.24/673,559.51
  6. Step 6: Final answer
    x = 633,522.50

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Double scale
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Similar ratio
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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.