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Finding the Fourth Proportional to 624,459.13, 936,706.47 and 197,996.86

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Solution

The fourth proportional to 624,459.13, 936,706.47 and 197,996.86 is: 297,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,459.13 : 936,706.47 = 197,996.86 : x
  2. Step 2: Convert to fraction form
    624,459.13/936,706.47 = 197,996.86/x
  3. Step 3: Cross multiply
    624,459.13x = 936,706.47 × 197,996.86
  4. Step 4: Simplify right side
    624,459.13x = 185,464,939,801.68
  5. Step 5: Solve for x
    x = 185,464,939,801.68/624,459.13
  6. Step 6: Final answer
    x = 297,000.93

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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.