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Finding the Fourth Proportional to 633,701.84, 874,508.04 and 347,239.76

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Solution

The fourth proportional to 633,701.84, 874,508.04 and 347,239.76 is: 479,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,701.84 : 874,508.04 = 347,239.76 : x
  2. Step 2: Convert to fraction form
    633,701.84/874,508.04 = 347,239.76/x
  3. Step 3: Cross multiply
    633,701.84x = 874,508.04 × 347,239.76
  4. Step 4: Simplify right side
    633,701.84x = 303,663,961,927.67
  5. Step 5: Solve for x
    x = 303,663,961,927.67/633,701.84
  6. Step 6: Final answer
    x = 479,190.60

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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.