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Finding the Fourth Proportional to 293,140.70, 411,330.10 and 293,140.70

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Solution

The fourth proportional to 293,140.70, 411,330.10 and 293,140.70 is: 411,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,140.70 : 411,330.10 = 293,140.70 : x
  2. Step 2: Convert to fraction form
    293,140.70/411,330.10 = 293,140.70/x
  3. Step 3: Cross multiply
    293,140.70x = 411,330.10 × 293,140.70
  4. Step 4: Simplify right side
    293,140.70x = 120,577,593,445.07
  5. Step 5: Solve for x
    x = 120,577,593,445.07/293,140.70
  6. Step 6: Final answer
    x = 411,330.10

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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.