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Finding the Fourth Proportional to 447,957.68, 671,935.30 and 368,904.92

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Solution

The fourth proportional to 447,957.68, 671,935.30 and 368,904.92 is: 553,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,957.68 : 671,935.30 = 368,904.92 : x
  2. Step 2: Convert to fraction form
    447,957.68/671,935.30 = 368,904.92/x
  3. Step 3: Cross multiply
    447,957.68x = 671,935.30 × 368,904.92
  4. Step 4: Simplify right side
    447,957.68x = 247,880,233,809.74
  5. Step 5: Solve for x
    x = 247,880,233,809.74/447,957.68
  6. Step 6: Final answer
    x = 553,356.37

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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.