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Finding the Fourth Proportional to 358,907.59, 495,314.54 and 197,762.60

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Solution

The fourth proportional to 358,907.59, 495,314.54 and 197,762.60 is: 272,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,907.59 : 495,314.54 = 197,762.60 : x
  2. Step 2: Convert to fraction form
    358,907.59/495,314.54 = 197,762.60/x
  3. Step 3: Cross multiply
    358,907.59x = 495,314.54 × 197,762.60
  4. Step 4: Simplify right side
    358,907.59x = 97,954,687,782.82
  5. Step 5: Solve for x
    x = 97,954,687,782.82/358,907.59
  6. Step 6: Final answer
    x = 272,924.54

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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.