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Finding the Fourth Proportional to 533,489.83, 736,205.65 and 291,771.65

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Solution

The fourth proportional to 533,489.83, 736,205.65 and 291,771.65 is: 402,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,489.83 : 736,205.65 = 291,771.65 : x
  2. Step 2: Convert to fraction form
    533,489.83/736,205.65 = 291,771.65/x
  3. Step 3: Cross multiply
    533,489.83x = 736,205.65 × 291,771.65
  4. Step 4: Simplify right side
    533,489.83x = 214,803,938,350.91
  5. Step 5: Solve for x
    x = 214,803,938,350.91/533,489.83
  6. Step 6: Final answer
    x = 402,639.24

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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.