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Finding the Fourth Proportional to 652,411.36, 979,032.80 and 297,460.80

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Solution

The fourth proportional to 652,411.36, 979,032.80 and 297,460.80 is: 446,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,411.36 : 979,032.80 = 297,460.80 : x
  2. Step 2: Convert to fraction form
    652,411.36/979,032.80 = 297,460.80/x
  3. Step 3: Cross multiply
    652,411.36x = 979,032.80 × 297,460.80
  4. Step 4: Simplify right side
    652,411.36x = 291,223,879,914.24
  5. Step 5: Solve for x
    x = 291,223,879,914.24/652,411.36
  6. Step 6: Final answer
    x = 446,380.76

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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.