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Finding the Fourth Proportional to 533,630.37, 736,427.49 and 291,907.41

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Solution

The fourth proportional to 533,630.37, 736,427.49 and 291,907.41 is: 402,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,630.37 : 736,427.49 = 291,907.41 : x
  2. Step 2: Convert to fraction form
    533,630.37/736,427.49 = 291,907.41/x
  3. Step 3: Cross multiply
    533,630.37x = 736,427.49 × 291,907.41
  4. Step 4: Simplify right side
    533,630.37x = 214,968,641,258.70
  5. Step 5: Solve for x
    x = 214,968,641,258.70/533,630.37
  6. Step 6: Final answer
    x = 402,841.84

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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.