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Finding the Fourth Proportional to 1,104,465.76, 1,656,514 and 305,828

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Solution

The fourth proportional to 1,104,465.76, 1,656,514 and 305,828 is: 458,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,465.76 : 1,656,514 = 305,828 : x
  2. Step 2: Convert to fraction form
    1,104,465.76/1,656,514 = 305,828/x
  3. Step 3: Cross multiply
    1,104,465.76x = 1,656,514 × 305,828
  4. Step 4: Simplify right side
    1,104,465.76x = 506,608,363,592
  5. Step 5: Solve for x
    x = 506,608,363,592/1,104,465.76
  6. Step 6: Final answer
    x = 458,690.87

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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.