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Finding the Fourth Proportional to 603,398.70, 904,320.45 and 462,458.70

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Solution

The fourth proportional to 603,398.70, 904,320.45 and 462,458.70 is: 693,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,398.70 : 904,320.45 = 462,458.70 : x
  2. Step 2: Convert to fraction form
    603,398.70/904,320.45 = 462,458.70/x
  3. Step 3: Cross multiply
    603,398.70x = 904,320.45 × 462,458.70
  4. Step 4: Simplify right side
    603,398.70x = 418,210,859,690.42
  5. Step 5: Solve for x
    x = 418,210,859,690.42/603,398.70
  6. Step 6: Final answer
    x = 693,092.08

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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.