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Finding the Fourth Proportional to 533,196.72, 735,809.67 and 291,479.22

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Solution

The fourth proportional to 533,196.72, 735,809.67 and 291,479.22 is: 402,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,196.72 : 735,809.67 = 291,479.22 : x
  2. Step 2: Convert to fraction form
    533,196.72/735,809.67 = 291,479.22/x
  3. Step 3: Cross multiply
    533,196.72x = 735,809.67 × 291,479.22
  4. Step 4: Simplify right side
    533,196.72x = 214,473,228,680.06
  5. Step 5: Solve for x
    x = 214,473,228,680.06/533,196.72
  6. Step 6: Final answer
    x = 402,240.34

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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.