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Finding the Fourth Proportional to 447,538.94, 671,407.06 and 194,859.98

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Solution

The fourth proportional to 447,538.94, 671,407.06 and 194,859.98 is: 292,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,538.94 : 671,407.06 = 194,859.98 : x
  2. Step 2: Convert to fraction form
    447,538.94/671,407.06 = 194,859.98/x
  3. Step 3: Cross multiply
    447,538.94x = 671,407.06 × 194,859.98
  4. Step 4: Simplify right side
    447,538.94x = 130,830,366,283.46
  5. Step 5: Solve for x
    x = 130,830,366,283.46/447,538.94
  6. Step 6: Final answer
    x = 292,332.92

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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.