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Finding the Fourth Proportional to 533,608.34, 736,369.84 and 291,888.80

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Solution

The fourth proportional to 533,608.34, 736,369.84 and 291,888.80 is: 402,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,608.34 : 736,369.84 = 291,888.80 : x
  2. Step 2: Convert to fraction form
    533,608.34/736,369.84 = 291,888.80/x
  3. Step 3: Cross multiply
    533,608.34x = 736,369.84 × 291,888.80
  4. Step 4: Simplify right side
    533,608.34x = 214,938,109,778.88
  5. Step 5: Solve for x
    x = 214,938,109,778.88/533,608.34
  6. Step 6: Final answer
    x = 402,801.25

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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.