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Finding the Fourth Proportional to 369,957.08, 510,542.52 and 208,818.92

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Solution

The fourth proportional to 369,957.08, 510,542.52 and 208,818.92 is: 288,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,957.08 : 510,542.52 = 208,818.92 : x
  2. Step 2: Convert to fraction form
    369,957.08/510,542.52 = 208,818.92/x
  3. Step 3: Cross multiply
    369,957.08x = 510,542.52 × 208,818.92
  4. Step 4: Simplify right side
    369,957.08x = 106,610,937,640.48
  5. Step 5: Solve for x
    x = 106,610,937,640.48/369,957.08
  6. Step 6: Final answer
    x = 288,171.10

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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.