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Finding the Fourth Proportional to 507,762.15, 757,103.69 and 493,811.82

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Solution

The fourth proportional to 507,762.15, 757,103.69 and 493,811.82 is: 736,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,762.15 : 757,103.69 = 493,811.82 : x
  2. Step 2: Convert to fraction form
    507,762.15/757,103.69 = 493,811.82/x
  3. Step 3: Cross multiply
    507,762.15x = 757,103.69 × 493,811.82
  4. Step 4: Simplify right side
    507,762.15x = 373,866,751,087.62
  5. Step 5: Solve for x
    x = 373,866,751,087.62/507,762.15
  6. Step 6: Final answer
    x = 736,302.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.