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Finding the Fourth Proportional to 293,672.40, 411,970.80 and 293,672.40

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Solution

The fourth proportional to 293,672.40, 411,970.80 and 293,672.40 is: 411,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,672.40 : 411,970.80 = 293,672.40 : x
  2. Step 2: Convert to fraction form
    293,672.40/411,970.80 = 293,672.40/x
  3. Step 3: Cross multiply
    293,672.40x = 411,970.80 × 293,672.40
  4. Step 4: Simplify right side
    293,672.40x = 120,984,453,565.92
  5. Step 5: Solve for x
    x = 120,984,453,565.92/293,672.40
  6. Step 6: Final answer
    x = 411,970.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.