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Finding the Fourth Proportional to 533,045.22, 735,600.66 and 291,327.72

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Solution

The fourth proportional to 533,045.22, 735,600.66 and 291,327.72 is: 402,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,045.22 : 735,600.66 = 291,327.72 : x
  2. Step 2: Convert to fraction form
    533,045.22/735,600.66 = 291,327.72/x
  3. Step 3: Cross multiply
    533,045.22x = 735,600.66 × 291,327.72
  4. Step 4: Simplify right side
    533,045.22x = 214,300,863,108.30
  5. Step 5: Solve for x
    x = 214,300,863,108.30/533,045.22
  6. Step 6: Final answer
    x = 402,031.30

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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.