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Finding the Fourth Proportional to 556,772.66, 768,348.38 and 302,123.85

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Solution

The fourth proportional to 556,772.66, 768,348.38 and 302,123.85 is: 416,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,772.66 : 768,348.38 = 302,123.85 : x
  2. Step 2: Convert to fraction form
    556,772.66/768,348.38 = 302,123.85/x
  3. Step 3: Cross multiply
    556,772.66x = 768,348.38 × 302,123.85
  4. Step 4: Simplify right side
    556,772.66x = 232,136,369,196.24
  5. Step 5: Solve for x
    x = 232,136,369,196.24/556,772.66
  6. Step 6: Final answer
    x = 416,932.06

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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.