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Finding the Fourth Proportional to 245,790.90, 344,807.10 and 245,790.90

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Solution

The fourth proportional to 245,790.90, 344,807.10 and 245,790.90 is: 344,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,790.90 : 344,807.10 = 245,790.90 : x
  2. Step 2: Convert to fraction form
    245,790.90/344,807.10 = 245,790.90/x
  3. Step 3: Cross multiply
    245,790.90x = 344,807.10 × 245,790.90
  4. Step 4: Simplify right side
    245,790.90x = 84,750,447,435.39
  5. Step 5: Solve for x
    x = 84,750,447,435.39/245,790.90
  6. Step 6: Final answer
    x = 344,807.10

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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.