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Finding the Fourth Proportional to 576,510.76, 795,184.74 and 395,238.92

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Solution

The fourth proportional to 576,510.76, 795,184.74 and 395,238.92 is: 545,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,510.76 : 795,184.74 = 395,238.92 : x
  2. Step 2: Convert to fraction form
    576,510.76/795,184.74 = 395,238.92/x
  3. Step 3: Cross multiply
    576,510.76x = 795,184.74 × 395,238.92
  4. Step 4: Simplify right side
    576,510.76x = 314,287,957,838.08
  5. Step 5: Solve for x
    x = 314,287,957,838.08/576,510.76
  6. Step 6: Final answer
    x = 545,155.41

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Half scale
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Double scale
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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.