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Finding the Fourth Proportional to 357,588.90, 536,324.40 and 117,705.94

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Solution

The fourth proportional to 357,588.90, 536,324.40 and 117,705.94 is: 176,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,588.90 : 536,324.40 = 117,705.94 : x
  2. Step 2: Convert to fraction form
    357,588.90/536,324.40 = 117,705.94/x
  3. Step 3: Cross multiply
    357,588.90x = 536,324.40 × 117,705.94
  4. Step 4: Simplify right side
    357,588.90x = 63,128,566,306.13
  5. Step 5: Solve for x
    x = 63,128,566,306.13/357,588.90
  6. Step 6: Final answer
    x = 176,539.50

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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.