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Finding the Fourth Proportional to 362,044.61, 500,222.30 and 286,145.69

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Solution

The fourth proportional to 362,044.61, 500,222.30 and 286,145.69 is: 395,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,044.61 : 500,222.30 = 286,145.69 : x
  2. Step 2: Convert to fraction form
    362,044.61/500,222.30 = 286,145.69/x
  3. Step 3: Cross multiply
    362,044.61x = 500,222.30 × 286,145.69
  4. Step 4: Simplify right side
    362,044.61x = 143,136,453,064.32
  5. Step 5: Solve for x
    x = 143,136,453,064.32/362,044.61
  6. Step 6: Final answer
    x = 395,355.84

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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.