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Finding the Fourth Proportional to 448,368.48, 618,792 and 334,994.40

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Solution

The fourth proportional to 448,368.48, 618,792 and 334,994.40 is: 462,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,368.48 : 618,792 = 334,994.40 : x
  2. Step 2: Convert to fraction form
    448,368.48/618,792 = 334,994.40/x
  3. Step 3: Cross multiply
    448,368.48x = 618,792 × 334,994.40
  4. Step 4: Simplify right side
    448,368.48x = 207,291,854,764.80
  5. Step 5: Solve for x
    x = 207,291,854,764.80/448,368.48
  6. Step 6: Final answer
    x = 462,324.77

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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.