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Finding the Fourth Proportional to 293,225.70, 439,320.15 and 260,048.10

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Solution

The fourth proportional to 293,225.70, 439,320.15 and 260,048.10 is: 389,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,225.70 : 439,320.15 = 260,048.10 : x
  2. Step 2: Convert to fraction form
    293,225.70/439,320.15 = 260,048.10/x
  3. Step 3: Cross multiply
    293,225.70x = 439,320.15 × 260,048.10
  4. Step 4: Simplify right side
    293,225.70x = 114,244,370,299.22
  5. Step 5: Solve for x
    x = 114,244,370,299.22/293,225.70
  6. Step 6: Final answer
    x = 389,612.41

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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.