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Finding the Fourth Proportional to 369,453.77, 554,399.52 and 156,210.03

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Solution

The fourth proportional to 369,453.77, 554,399.52 and 156,210.03 is: 234,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,453.77 : 554,399.52 = 156,210.03 : x
  2. Step 2: Convert to fraction form
    369,453.77/554,399.52 = 156,210.03/x
  3. Step 3: Cross multiply
    369,453.77x = 554,399.52 × 156,210.03
  4. Step 4: Simplify right side
    369,453.77x = 86,602,765,651.19
  5. Step 5: Solve for x
    x = 86,602,765,651.19/369,453.77
  6. Step 6: Final answer
    x = 234,407.59

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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.