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Finding the Fourth Proportional to 475,878.80, 656,710.98 and 294,554.63

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Solution

The fourth proportional to 475,878.80, 656,710.98 and 294,554.63 is: 406,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,878.80 : 656,710.98 = 294,554.63 : x
  2. Step 2: Convert to fraction form
    475,878.80/656,710.98 = 294,554.63/x
  3. Step 3: Cross multiply
    475,878.80x = 656,710.98 × 294,554.63
  4. Step 4: Simplify right side
    475,878.80x = 193,437,256,447.28
  5. Step 5: Solve for x
    x = 193,437,256,447.28/475,878.80
  6. Step 6: Final answer
    x = 406,484.29

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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.