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Finding the Fourth Proportional to 384,485.16, 576,681.84 and 104,024.28

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Solution

The fourth proportional to 384,485.16, 576,681.84 and 104,024.28 is: 156,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,485.16 : 576,681.84 = 104,024.28 : x
  2. Step 2: Convert to fraction form
    384,485.16/576,681.84 = 104,024.28/x
  3. Step 3: Cross multiply
    384,485.16x = 576,681.84 × 104,024.28
  4. Step 4: Simplify right side
    384,485.16x = 59,988,913,195.08
  5. Step 5: Solve for x
    x = 59,988,913,195.08/384,485.16
  6. Step 6: Final answer
    x = 156,024.00

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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.