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Finding the Fourth Proportional to 464,007.02, 640,374.63 and 260,092.58

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Solution

The fourth proportional to 464,007.02, 640,374.63 and 260,092.58 is: 358,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,007.02 : 640,374.63 = 260,092.58 : x
  2. Step 2: Convert to fraction form
    464,007.02/640,374.63 = 260,092.58/x
  3. Step 3: Cross multiply
    464,007.02x = 640,374.63 × 260,092.58
  4. Step 4: Simplify right side
    464,007.02x = 166,556,689,683.25
  5. Step 5: Solve for x
    x = 166,556,689,683.25/464,007.02
  6. Step 6: Final answer
    x = 358,952.95

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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.