Home / 369,845.40-553,364.10-245,429.40

Finding the Fourth Proportional to 369,845.40, 553,364.10 and 245,429.40

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Solution

The fourth proportional to 369,845.40, 553,364.10 and 245,429.40 is: 367,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,845.40 : 553,364.10 = 245,429.40 : x
  2. Step 2: Convert to fraction form
    369,845.40/553,364.10 = 245,429.40/x
  3. Step 3: Cross multiply
    369,845.40x = 553,364.10 × 245,429.40
  4. Step 4: Simplify right side
    369,845.40x = 135,811,819,044.54
  5. Step 5: Solve for x
    x = 135,811,819,044.54/369,845.40
  6. Step 6: Final answer
    x = 367,212.41

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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.