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Finding the Fourth Proportional to 633,528.95, 874,270.26 and 347,050.17

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Solution

The fourth proportional to 633,528.95, 874,270.26 and 347,050.17 is: 478,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,528.95 : 874,270.26 = 347,050.17 : x
  2. Step 2: Convert to fraction form
    633,528.95/874,270.26 = 347,050.17/x
  3. Step 3: Cross multiply
    633,528.95x = 874,270.26 × 347,050.17
  4. Step 4: Simplify right side
    633,528.95x = 303,415,642,358.94
  5. Step 5: Solve for x
    x = 303,415,642,358.94/633,528.95
  6. Step 6: Final answer
    x = 478,929.41

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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.