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Finding the Fourth Proportional to 296,810.32, 445,267.32 and 130,594

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Solution

The fourth proportional to 296,810.32, 445,267.32 and 130,594 is: 195,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,810.32 : 445,267.32 = 130,594 : x
  2. Step 2: Convert to fraction form
    296,810.32/445,267.32 = 130,594/x
  3. Step 3: Cross multiply
    296,810.32x = 445,267.32 × 130,594
  4. Step 4: Simplify right side
    296,810.32x = 58,149,240,388.08
  5. Step 5: Solve for x
    x = 58,149,240,388.08/296,810.32
  6. Step 6: Final answer
    x = 195,913.81

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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.