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Finding the Fourth Proportional to 369,776.58, 510,262.65 and 208,670.82

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Solution

The fourth proportional to 369,776.58, 510,262.65 and 208,670.82 is: 287,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,776.58 : 510,262.65 = 208,670.82 : x
  2. Step 2: Convert to fraction form
    369,776.58/510,262.65 = 208,670.82/x
  3. Step 3: Cross multiply
    369,776.58x = 510,262.65 × 208,670.82
  4. Step 4: Simplify right side
    369,776.58x = 106,476,925,590.87
  5. Step 5: Solve for x
    x = 106,476,925,590.87/369,776.58
  6. Step 6: Final answer
    x = 287,949.35

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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.