Home / 369,217.86-553,989.60-353,274.36

Finding the Fourth Proportional to 369,217.86, 553,989.60 and 353,274.36

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Solution

The fourth proportional to 369,217.86, 553,989.60 and 353,274.36 is: 530,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,217.86 : 553,989.60 = 353,274.36 : x
  2. Step 2: Convert to fraction form
    369,217.86/553,989.60 = 353,274.36/x
  3. Step 3: Cross multiply
    369,217.86x = 553,989.60 × 353,274.36
  4. Step 4: Simplify right side
    369,217.86x = 195,710,321,386.66
  5. Step 5: Solve for x
    x = 195,710,321,386.66/369,217.86
  6. Step 6: Final answer
    x = 530,067.32

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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.