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Finding the Fourth Proportional to 617,598.66, 925,755.71 and 238,779.59

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Solution

The fourth proportional to 617,598.66, 925,755.71 and 238,779.59 is: 357,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,598.66 : 925,755.71 = 238,779.59 : x
  2. Step 2: Convert to fraction form
    617,598.66/925,755.71 = 238,779.59/x
  3. Step 3: Cross multiply
    617,598.66x = 925,755.71 × 238,779.59
  4. Step 4: Simplify right side
    617,598.66x = 221,051,563,051.28
  5. Step 5: Solve for x
    x = 221,051,563,051.28/617,598.66
  6. Step 6: Final answer
    x = 357,921.05

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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.