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Finding the Fourth Proportional to 508,503.96, 701,864.46 and 347,424.12

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Solution

The fourth proportional to 508,503.96, 701,864.46 and 347,424.12 is: 479,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,503.96 : 701,864.46 = 347,424.12 : x
  2. Step 2: Convert to fraction form
    508,503.96/701,864.46 = 347,424.12/x
  3. Step 3: Cross multiply
    508,503.96x = 701,864.46 × 347,424.12
  4. Step 4: Simplify right side
    508,503.96x = 243,844,642,374.78
  5. Step 5: Solve for x
    x = 243,844,642,374.78/508,503.96
  6. Step 6: Final answer
    x = 479,533.42

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1.5x scale

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.