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Finding the Fourth Proportional to 358,401.47, 537,300.88 and 239,710.55

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Solution

The fourth proportional to 358,401.47, 537,300.88 and 239,710.55 is: 359,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,401.47 : 537,300.88 = 239,710.55 : x
  2. Step 2: Convert to fraction form
    358,401.47/537,300.88 = 239,710.55/x
  3. Step 3: Cross multiply
    358,401.47x = 537,300.88 × 239,710.55
  4. Step 4: Simplify right side
    358,401.47x = 128,796,686,174.50
  5. Step 5: Solve for x
    x = 128,796,686,174.50/358,401.47
  6. Step 6: Final answer
    x = 359,364.28

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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.