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Finding the Fourth Proportional to 402,477.35, 604,104.83 and 245,013.35

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Solution

The fourth proportional to 402,477.35, 604,104.83 and 245,013.35 is: 367,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,477.35 : 604,104.83 = 245,013.35 : x
  2. Step 2: Convert to fraction form
    402,477.35/604,104.83 = 245,013.35/x
  3. Step 3: Cross multiply
    402,477.35x = 604,104.83 × 245,013.35
  4. Step 4: Simplify right side
    402,477.35x = 148,013,746,924.41
  5. Step 5: Solve for x
    x = 148,013,746,924.41/402,477.35
  6. Step 6: Final answer
    x = 367,756.71

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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.