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Finding the Fourth Proportional to 579,136.60, 798,938.16 and 364,395.04

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Solution

The fourth proportional to 579,136.60, 798,938.16 and 364,395.04 is: 502,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,136.60 : 798,938.16 = 364,395.04 : x
  2. Step 2: Convert to fraction form
    579,136.60/798,938.16 = 364,395.04/x
  3. Step 3: Cross multiply
    579,136.60x = 798,938.16 × 364,395.04
  4. Step 4: Simplify right side
    579,136.60x = 291,129,102,770.73
  5. Step 5: Solve for x
    x = 291,129,102,770.73/579,136.60
  6. Step 6: Final answer
    x = 502,695.05

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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.