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Finding the Fourth Proportional to 601,668.76, 830,325.92 and 343,587.84

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Solution

The fourth proportional to 601,668.76, 830,325.92 and 343,587.84 is: 474,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,668.76 : 830,325.92 = 343,587.84 : x
  2. Step 2: Convert to fraction form
    601,668.76/830,325.92 = 343,587.84/x
  3. Step 3: Cross multiply
    601,668.76x = 830,325.92 × 343,587.84
  4. Step 4: Simplify right side
    601,668.76x = 285,289,889,348.81
  5. Step 5: Solve for x
    x = 285,289,889,348.81/601,668.76
  6. Step 6: Final answer
    x = 474,164.37

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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.