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Finding the Fourth Proportional to 384,033.52, 575,981.04 and 103,485.28

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Solution

The fourth proportional to 384,033.52, 575,981.04 and 103,485.28 is: 155,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,033.52 : 575,981.04 = 103,485.28 : x
  2. Step 2: Convert to fraction form
    384,033.52/575,981.04 = 103,485.28/x
  3. Step 3: Cross multiply
    384,033.52x = 575,981.04 × 103,485.28
  4. Step 4: Simplify right side
    384,033.52x = 59,605,559,199.09
  5. Step 5: Solve for x
    x = 59,605,559,199.09/384,033.52
  6. Step 6: Final answer
    x = 155,209.26

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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.