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Finding the Fourth Proportional to 448,957.60, 674,369.52 and 356,112.16

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Solution

The fourth proportional to 448,957.60, 674,369.52 and 356,112.16 is: 534,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,957.60 : 674,369.52 = 356,112.16 : x
  2. Step 2: Convert to fraction form
    448,957.60/674,369.52 = 356,112.16/x
  3. Step 3: Cross multiply
    448,957.60x = 674,369.52 × 356,112.16
  4. Step 4: Simplify right side
    448,957.60x = 240,151,186,405.36
  5. Step 5: Solve for x
    x = 240,151,186,405.36/448,957.60
  6. Step 6: Final answer
    x = 534,908.39

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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.