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Finding the Fourth Proportional to 661,875.40, 993,072.30 and 241,193.80

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Solution

The fourth proportional to 661,875.40, 993,072.30 and 241,193.80 is: 361,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,875.40 : 993,072.30 = 241,193.80 : x
  2. Step 2: Convert to fraction form
    661,875.40/993,072.30 = 241,193.80/x
  3. Step 3: Cross multiply
    661,875.40x = 993,072.30 × 241,193.80
  4. Step 4: Simplify right side
    661,875.40x = 239,522,881,711.74
  5. Step 5: Solve for x
    x = 239,522,881,711.74/661,875.40
  6. Step 6: Final answer
    x = 361,885.15

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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.