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Finding the Fourth Proportional to 614,590.26, 921,852.52 and 188,126.30

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Solution

The fourth proportional to 614,590.26, 921,852.52 and 188,126.30 is: 282,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,590.26 : 921,852.52 = 188,126.30 : x
  2. Step 2: Convert to fraction form
    614,590.26/921,852.52 = 188,126.30/x
  3. Step 3: Cross multiply
    614,590.26x = 921,852.52 × 188,126.30
  4. Step 4: Simplify right side
    614,590.26x = 173,424,703,733.28
  5. Step 5: Solve for x
    x = 173,424,703,733.28/614,590.26
  6. Step 6: Final answer
    x = 282,179.39

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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.