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Finding the Fourth Proportional to 323,285, 484,916.16 and 98,636.36

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Solution

The fourth proportional to 323,285, 484,916.16 and 98,636.36 is: 147,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,285 : 484,916.16 = 98,636.36 : x
  2. Step 2: Convert to fraction form
    323,285/484,916.16 = 98,636.36/x
  3. Step 3: Cross multiply
    323,285x = 484,916.16 × 98,636.36
  4. Step 4: Simplify right side
    323,285x = 47,830,364,927.58
  5. Step 5: Solve for x
    x = 47,830,364,927.58/323,285
  6. Step 6: Final answer
    x = 147,951.08

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1.5x scale

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.