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Finding the Fourth Proportional to 354,946.16, 489,908.60 and 234,109.04

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Solution

The fourth proportional to 354,946.16, 489,908.60 and 234,109.04 is: 323,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,946.16 : 489,908.60 = 234,109.04 : x
  2. Step 2: Convert to fraction form
    354,946.16/489,908.60 = 234,109.04/x
  3. Step 3: Cross multiply
    354,946.16x = 489,908.60 × 234,109.04
  4. Step 4: Simplify right side
    354,946.16x = 114,692,032,033.74
  5. Step 5: Solve for x
    x = 114,692,032,033.74/354,946.16
  6. Step 6: Final answer
    x = 323,125.15

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1.5x scale

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.