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Finding the Fourth Proportional to 605,752.80, 908,621.10 and 185,030.70

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Solution

The fourth proportional to 605,752.80, 908,621.10 and 185,030.70 is: 277,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,752.80 : 908,621.10 = 185,030.70 : x
  2. Step 2: Convert to fraction form
    605,752.80/908,621.10 = 185,030.70/x
  3. Step 3: Cross multiply
    605,752.80x = 908,621.10 × 185,030.70
  4. Step 4: Simplify right side
    605,752.80x = 168,122,798,167.77
  5. Step 5: Solve for x
    x = 168,122,798,167.77/605,752.80
  6. Step 6: Final answer
    x = 277,543.58

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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.