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Finding the Fourth Proportional to 245,500.52, 366,458.54 and 210,664.04

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Solution

The fourth proportional to 245,500.52, 366,458.54 and 210,664.04 is: 314,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,500.52 : 366,458.54 = 210,664.04 : x
  2. Step 2: Convert to fraction form
    245,500.52/366,458.54 = 210,664.04/x
  3. Step 3: Cross multiply
    245,500.52x = 366,458.54 × 210,664.04
  4. Step 4: Simplify right side
    245,500.52x = 77,199,636,528.90
  5. Step 5: Solve for x
    x = 77,199,636,528.90/245,500.52
  6. Step 6: Final answer
    x = 314,458.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.