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Finding the Fourth Proportional to 615,706.58, 923,559.84 and 448,292.27

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Solution

The fourth proportional to 615,706.58, 923,559.84 and 448,292.27 is: 672,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,706.58 : 923,559.84 = 448,292.27 : x
  2. Step 2: Convert to fraction form
    615,706.58/923,559.84 = 448,292.27/x
  3. Step 3: Cross multiply
    615,706.58x = 923,559.84 × 448,292.27
  4. Step 4: Simplify right side
    615,706.58x = 414,024,739,463.34
  5. Step 5: Solve for x
    x = 414,024,739,463.34/615,706.58
  6. Step 6: Final answer
    x = 672,438.38

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Similar ratio
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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.