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Finding the Fourth Proportional to 576,130, 864,192.44 and 155,447.76

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Solution

The fourth proportional to 576,130, 864,192.44 and 155,447.76 is: 233,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,130 : 864,192.44 = 155,447.76 : x
  2. Step 2: Convert to fraction form
    576,130/864,192.44 = 155,447.76/x
  3. Step 3: Cross multiply
    576,130x = 864,192.44 × 155,447.76
  4. Step 4: Simplify right side
    576,130x = 134,336,779,006.93
  5. Step 5: Solve for x
    x = 134,336,779,006.93/576,130
  6. Step 6: Final answer
    x = 233,170.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.