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Finding the Fourth Proportional to 293,478.84, 440,002.80 and 93,684.24

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Solution

The fourth proportional to 293,478.84, 440,002.80 and 93,684.24 is: 140,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,478.84 : 440,002.80 = 93,684.24 : x
  2. Step 2: Convert to fraction form
    293,478.84/440,002.80 = 93,684.24/x
  3. Step 3: Cross multiply
    293,478.84x = 440,002.80 × 93,684.24
  4. Step 4: Simplify right side
    293,478.84x = 41,221,327,915.87
  5. Step 5: Solve for x
    x = 41,221,327,915.87/293,478.84
  6. Step 6: Final answer
    x = 140,457.58

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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.