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Finding the Fourth Proportional to 357,215.58, 535,823.36 and 107,897.58

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Solution

The fourth proportional to 357,215.58, 535,823.36 and 107,897.58 is: 161,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.58 : 535,823.36 = 107,897.58 : x
  2. Step 2: Convert to fraction form
    357,215.58/535,823.36 = 107,897.58/x
  3. Step 3: Cross multiply
    357,215.58x = 535,823.36 × 107,897.58
  4. Step 4: Simplify right side
    357,215.58x = 57,814,043,851.47
  5. Step 5: Solve for x
    x = 57,814,043,851.47/357,215.58
  6. Step 6: Final answer
    x = 161,846.37

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Similar ratio
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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.