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Finding the Fourth Proportional to 578,136.60, 797,733.33 and 363,123.51

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Solution

The fourth proportional to 578,136.60, 797,733.33 and 363,123.51 is: 501,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,136.60 : 797,733.33 = 363,123.51 : x
  2. Step 2: Convert to fraction form
    578,136.60/797,733.33 = 363,123.51/x
  3. Step 3: Cross multiply
    578,136.60x = 797,733.33 × 363,123.51
  4. Step 4: Simplify right side
    578,136.60x = 289,675,730,505.95
  5. Step 5: Solve for x
    x = 289,675,730,505.95/578,136.60
  6. Step 6: Final answer
    x = 501,050.67

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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.