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Finding the Fourth Proportional to 607,085.76, 910,727.40 and 228,036

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Solution

The fourth proportional to 607,085.76, 910,727.40 and 228,036 is: 342,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,085.76 : 910,727.40 = 228,036 : x
  2. Step 2: Convert to fraction form
    607,085.76/910,727.40 = 228,036/x
  3. Step 3: Cross multiply
    607,085.76x = 910,727.40 × 228,036
  4. Step 4: Simplify right side
    607,085.76x = 207,678,633,386.40
  5. Step 5: Solve for x
    x = 207,678,633,386.40/607,085.76
  6. Step 6: Final answer
    x = 342,091.10

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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.