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Finding the Fourth Proportional to 585,577.99, 807,774.82 and 404,385.04

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Solution

The fourth proportional to 585,577.99, 807,774.82 and 404,385.04 is: 557,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,577.99 : 807,774.82 = 404,385.04 : x
  2. Step 2: Convert to fraction form
    585,577.99/807,774.82 = 404,385.04/x
  3. Step 3: Cross multiply
    585,577.99x = 807,774.82 × 404,385.04
  4. Step 4: Simplify right side
    585,577.99x = 326,652,052,896.69
  5. Step 5: Solve for x
    x = 326,652,052,896.69/585,577.99
  6. Step 6: Final answer
    x = 557,828.43

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1.5x scale

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.