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Finding the Fourth Proportional to 561,443.81, 841,989.08 and 182,276.93

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Solution

The fourth proportional to 561,443.81, 841,989.08 and 182,276.93 is: 273,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,443.81 : 841,989.08 = 182,276.93 : x
  2. Step 2: Convert to fraction form
    561,443.81/841,989.08 = 182,276.93/x
  3. Step 3: Cross multiply
    561,443.81x = 841,989.08 × 182,276.93
  4. Step 4: Simplify right side
    561,443.81x = 153,475,186,131.28
  5. Step 5: Solve for x
    x = 153,475,186,131.28/561,443.81
  6. Step 6: Final answer
    x = 273,358.05

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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.