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Finding the Fourth Proportional to 255,476.70, 352,557.93 and 148,108.98

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Solution

The fourth proportional to 255,476.70, 352,557.93 and 148,108.98 is: 204,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,476.70 : 352,557.93 = 148,108.98 : x
  2. Step 2: Convert to fraction form
    255,476.70/352,557.93 = 148,108.98/x
  3. Step 3: Cross multiply
    255,476.70x = 352,557.93 × 148,108.98
  4. Step 4: Simplify right side
    255,476.70x = 52,216,995,403.21
  5. Step 5: Solve for x
    x = 52,216,995,403.21/255,476.70
  6. Step 6: Final answer
    x = 204,390.44

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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.