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Finding the Fourth Proportional to 323,094.40, 445,829.84 and 187,126.24

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Solution

The fourth proportional to 323,094.40, 445,829.84 and 187,126.24 is: 258,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,094.40 : 445,829.84 = 187,126.24 : x
  2. Step 2: Convert to fraction form
    323,094.40/445,829.84 = 187,126.24/x
  3. Step 3: Cross multiply
    323,094.40x = 445,829.84 × 187,126.24
  4. Step 4: Simplify right side
    323,094.40x = 83,426,461,639.00
  5. Step 5: Solve for x
    x = 83,426,461,639.00/323,094.40
  6. Step 6: Final answer
    x = 258,210.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.