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Finding the Fourth Proportional to 504,223.30, 756,043.35 and 188,712.10

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Solution

The fourth proportional to 504,223.30, 756,043.35 and 188,712.10 is: 282,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,223.30 : 756,043.35 = 188,712.10 : x
  2. Step 2: Convert to fraction form
    504,223.30/756,043.35 = 188,712.10/x
  3. Step 3: Cross multiply
    504,223.30x = 756,043.35 × 188,712.10
  4. Step 4: Simplify right side
    504,223.30x = 142,674,528,269.54
  5. Step 5: Solve for x
    x = 142,674,528,269.54/504,223.30
  6. Step 6: Final answer
    x = 282,959.01

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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.