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Finding the Fourth Proportional to 585,320.10, 807,740.67 and 317,048.10

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Solution

The fourth proportional to 585,320.10, 807,740.67 and 317,048.10 is: 437,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,320.10 : 807,740.67 = 317,048.10 : x
  2. Step 2: Convert to fraction form
    585,320.10/807,740.67 = 317,048.10/x
  3. Step 3: Cross multiply
    585,320.10x = 807,740.67 × 317,048.10
  4. Step 4: Simplify right side
    585,320.10x = 256,092,644,716.23
  5. Step 5: Solve for x
    x = 256,092,644,716.23/585,320.10
  6. Step 6: Final answer
    x = 437,525.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.