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Finding the Fourth Proportional to 353,784.49, 530,681.33 and 101,073.22

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Solution

The fourth proportional to 353,784.49, 530,681.33 and 101,073.22 is: 151,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,784.49 : 530,681.33 = 101,073.22 : x
  2. Step 2: Convert to fraction form
    353,784.49/530,681.33 = 101,073.22/x
  3. Step 3: Cross multiply
    353,784.49x = 530,681.33 × 101,073.22
  4. Step 4: Simplify right side
    353,784.49x = 53,637,672,728.04
  5. Step 5: Solve for x
    x = 53,637,672,728.04/353,784.49
  6. Step 6: Final answer
    x = 151,611.15

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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.