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Finding the Fourth Proportional to 541,063.90, 811,706.57 and 186,031.79

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Solution

The fourth proportional to 541,063.90, 811,706.57 and 186,031.79 is: 279,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,063.90 : 811,706.57 = 186,031.79 : x
  2. Step 2: Convert to fraction form
    541,063.90/811,706.57 = 186,031.79/x
  3. Step 3: Cross multiply
    541,063.90x = 811,706.57 × 186,031.79
  4. Step 4: Simplify right side
    541,063.90x = 151,003,224,924.69
  5. Step 5: Solve for x
    x = 151,003,224,924.69/541,063.90
  6. Step 6: Final answer
    x = 279,085.75

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Double scale
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1.5x scale

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.