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Finding the Fourth Proportional to 628,069.04, 866,710.32 and 341,588.96

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Solution

The fourth proportional to 628,069.04, 866,710.32 and 341,588.96 is: 471,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,069.04 : 866,710.32 = 341,588.96 : x
  2. Step 2: Convert to fraction form
    628,069.04/866,710.32 = 341,588.96/x
  3. Step 3: Cross multiply
    628,069.04x = 866,710.32 × 341,588.96
  4. Step 4: Simplify right side
    628,069.04x = 296,058,676,830.07
  5. Step 5: Solve for x
    x = 296,058,676,830.07/628,069.04
  6. Step 6: Final answer
    x = 471,379.19

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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.