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Finding the Fourth Proportional to 836,413.40, 1,254,668.18 and 237,327.68

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Solution

The fourth proportional to 836,413.40, 1,254,668.18 and 237,327.68 is: 356,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,413.40 : 1,254,668.18 = 237,327.68 : x
  2. Step 2: Convert to fraction form
    836,413.40/1,254,668.18 = 237,327.68/x
  3. Step 3: Cross multiply
    836,413.40x = 1,254,668.18 × 237,327.68
  4. Step 4: Simplify right side
    836,413.40x = 297,767,488,329.22
  5. Step 5: Solve for x
    x = 297,767,488,329.22/836,413.40
  6. Step 6: Final answer
    x = 356,005.16

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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.