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Finding the Fourth Proportional to 369,907.08, 510,473.52 and 208,768.92

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Solution

The fourth proportional to 369,907.08, 510,473.52 and 208,768.92 is: 288,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,907.08 : 510,473.52 = 208,768.92 : x
  2. Step 2: Convert to fraction form
    369,907.08/510,473.52 = 208,768.92/x
  3. Step 3: Cross multiply
    369,907.08x = 510,473.52 × 208,768.92
  4. Step 4: Simplify right side
    369,907.08x = 106,571,005,459.00
  5. Step 5: Solve for x
    x = 106,571,005,459.00/369,907.08
  6. Step 6: Final answer
    x = 288,102.10

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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.