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Finding the Fourth Proportional to 384,032.52, 575,979.54 and 103,484.28

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Solution

The fourth proportional to 384,032.52, 575,979.54 and 103,484.28 is: 155,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,032.52 : 575,979.54 = 103,484.28 : x
  2. Step 2: Convert to fraction form
    384,032.52/575,979.54 = 103,484.28/x
  3. Step 3: Cross multiply
    384,032.52x = 575,979.54 × 103,484.28
  4. Step 4: Simplify right side
    384,032.52x = 59,604,827,991.63
  5. Step 5: Solve for x
    x = 59,604,827,991.63/384,032.52
  6. Step 6: Final answer
    x = 155,207.76

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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.