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Finding the Fourth Proportional to 384,800.80, 530,681.28 and 241,574.16

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Solution

The fourth proportional to 384,800.80, 530,681.28 and 241,574.16 is: 333,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,800.80 : 530,681.28 = 241,574.16 : x
  2. Step 2: Convert to fraction form
    384,800.80/530,681.28 = 241,574.16/x
  3. Step 3: Cross multiply
    384,800.80x = 530,681.28 × 241,574.16
  4. Step 4: Simplify right side
    384,800.80x = 128,198,884,443.73
  5. Step 5: Solve for x
    x = 128,198,884,443.73/384,800.80
  6. Step 6: Final answer
    x = 333,156.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.