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Finding the Fourth Proportional to 822,572, 1,234,039.44 and 349,661.60

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Solution

The fourth proportional to 822,572, 1,234,039.44 and 349,661.60 is: 524,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,572 : 1,234,039.44 = 349,661.60 : x
  2. Step 2: Convert to fraction form
    822,572/1,234,039.44 = 349,661.60/x
  3. Step 3: Cross multiply
    822,572x = 1,234,039.44 × 349,661.60
  4. Step 4: Simplify right side
    822,572x = 431,496,205,053.50
  5. Step 5: Solve for x
    x = 431,496,205,053.50/822,572
  6. Step 6: Final answer
    x = 524,569.53

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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.