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Finding the Fourth Proportional to 314,838.80, 472,236.60 and 101,603.60

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Solution

The fourth proportional to 314,838.80, 472,236.60 and 101,603.60 is: 152,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,838.80 : 472,236.60 = 101,603.60 : x
  2. Step 2: Convert to fraction form
    314,838.80/472,236.60 = 101,603.60/x
  3. Step 3: Cross multiply
    314,838.80x = 472,236.60 × 101,603.60
  4. Step 4: Simplify right side
    314,838.80x = 47,980,938,611.76
  5. Step 5: Solve for x
    x = 47,980,938,611.76/314,838.80
  6. Step 6: Final answer
    x = 152,398.43

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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.