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Finding the Fourth Proportional to 533,658.63, 736,454.72 and 291,936.01

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Solution

The fourth proportional to 533,658.63, 736,454.72 and 291,936.01 is: 402,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,658.63 : 736,454.72 = 291,936.01 : x
  2. Step 2: Convert to fraction form
    533,658.63/736,454.72 = 291,936.01/x
  3. Step 3: Cross multiply
    533,658.63x = 736,454.72 × 291,936.01
  4. Step 4: Simplify right side
    533,658.63x = 214,997,651,042.79
  5. Step 5: Solve for x
    x = 214,997,651,042.79/533,658.63
  6. Step 6: Final answer
    x = 402,874.87

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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.