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Finding the Fourth Proportional to 644,903.04, 967,356.80 and 195,627.76

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Solution

The fourth proportional to 644,903.04, 967,356.80 and 195,627.76 is: 293,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,903.04 : 967,356.80 = 195,627.76 : x
  2. Step 2: Convert to fraction form
    644,903.04/967,356.80 = 195,627.76/x
  3. Step 3: Cross multiply
    644,903.04x = 967,356.80 × 195,627.76
  4. Step 4: Simplify right side
    644,903.04x = 189,241,843,904.77
  5. Step 5: Solve for x
    x = 189,241,843,904.77/644,903.04
  6. Step 6: Final answer
    x = 293,442.32

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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.