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Finding the Fourth Proportional to 578,136.85, 797,733.68 and 363,123.76

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Solution

The fourth proportional to 578,136.85, 797,733.68 and 363,123.76 is: 501,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,136.85 : 797,733.68 = 363,123.76 : x
  2. Step 2: Convert to fraction form
    578,136.85/797,733.68 = 363,123.76/x
  3. Step 3: Cross multiply
    578,136.85x = 797,733.68 × 363,123.76
  4. Step 4: Simplify right side
    578,136.85x = 289,676,053,360.24
  5. Step 5: Solve for x
    x = 289,676,053,360.24/578,136.85
  6. Step 6: Final answer
    x = 501,051.01

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Double scale
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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.