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Finding the Fourth Proportional to 356,946.09, 535,456.04 and 120,307.22

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Solution

The fourth proportional to 356,946.09, 535,456.04 and 120,307.22 is: 180,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,946.09 : 535,456.04 = 120,307.22 : x
  2. Step 2: Convert to fraction form
    356,946.09/535,456.04 = 120,307.22/x
  3. Step 3: Cross multiply
    356,946.09x = 535,456.04 × 120,307.22
  4. Step 4: Simplify right side
    356,946.09x = 64,419,227,003.07
  5. Step 5: Solve for x
    x = 64,419,227,003.07/356,946.09
  6. Step 6: Final answer
    x = 180,473.27

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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.