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Finding the Fourth Proportional to 507,765.84, 757,109.18 and 493,815.52

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Solution

The fourth proportional to 507,765.84, 757,109.18 and 493,815.52 is: 736,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,765.84 : 757,109.18 = 493,815.52 : x
  2. Step 2: Convert to fraction form
    507,765.84/757,109.18 = 493,815.52/x
  3. Step 3: Cross multiply
    507,765.84x = 757,109.18 × 493,815.52
  4. Step 4: Simplify right side
    507,765.84x = 373,872,263,418.47
  5. Step 5: Solve for x
    x = 373,872,263,418.47/507,765.84
  6. Step 6: Final answer
    x = 736,308.42

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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.