Home / 368,038.05-553,533.30-329,656.20

Finding the Fourth Proportional to 368,038.05, 553,533.30 and 329,656.20

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Solution

The fourth proportional to 368,038.05, 553,533.30 and 329,656.20 is: 495,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,038.05 : 553,533.30 = 329,656.20 : x
  2. Step 2: Convert to fraction form
    368,038.05/553,533.30 = 329,656.20/x
  3. Step 3: Cross multiply
    368,038.05x = 553,533.30 × 329,656.20
  4. Step 4: Simplify right side
    368,038.05x = 182,475,684,251.46
  5. Step 5: Solve for x
    x = 182,475,684,251.46/368,038.05
  6. Step 6: Final answer
    x = 495,806.57

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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.