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Finding the Fourth Proportional to 637,369.48, 955,830.78 and 187,970.92

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Solution

The fourth proportional to 637,369.48, 955,830.78 and 187,970.92 is: 281,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,369.48 : 955,830.78 = 187,970.92 : x
  2. Step 2: Convert to fraction form
    637,369.48/955,830.78 = 187,970.92/x
  3. Step 3: Cross multiply
    637,369.48x = 955,830.78 × 187,970.92
  4. Step 4: Simplify right side
    637,369.48x = 179,668,391,080.92
  5. Step 5: Solve for x
    x = 179,668,391,080.92/637,369.48
  6. Step 6: Final answer
    x = 281,890.48

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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.