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Finding the Fourth Proportional to 533,045.35, 735,600.83 and 291,327.86

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Solution

The fourth proportional to 533,045.35, 735,600.83 and 291,327.86 is: 402,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,045.35 : 735,600.83 = 291,327.86 : x
  2. Step 2: Convert to fraction form
    533,045.35/735,600.83 = 291,327.86/x
  3. Step 3: Cross multiply
    533,045.35x = 735,600.83 × 291,327.86
  4. Step 4: Simplify right side
    533,045.35x = 214,301,015,618.12
  5. Step 5: Solve for x
    x = 214,301,015,618.12/533,045.35
  6. Step 6: Final answer
    x = 402,031.49

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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.