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Finding the Fourth Proportional to 633,457.95, 874,172.30 and 346,982.82

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Solution

The fourth proportional to 633,457.95, 874,172.30 and 346,982.82 is: 478,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,457.95 : 874,172.30 = 346,982.82 : x
  2. Step 2: Convert to fraction form
    633,457.95/874,172.30 = 346,982.82/x
  3. Step 3: Cross multiply
    633,457.95x = 874,172.30 × 346,982.82
  4. Step 4: Simplify right side
    633,457.95x = 303,322,768,084.97
  5. Step 5: Solve for x
    x = 303,322,768,084.97/633,457.95
  6. Step 6: Final answer
    x = 478,836.47

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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.