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Finding the Fourth Proportional to 507,085.92, 759,507.66 and 346,781.98

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Solution

The fourth proportional to 507,085.92, 759,507.66 and 346,781.98 is: 519,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,085.92 : 759,507.66 = 346,781.98 : x
  2. Step 2: Convert to fraction form
    507,085.92/759,507.66 = 346,781.98/x
  3. Step 3: Cross multiply
    507,085.92x = 759,507.66 × 346,781.98
  4. Step 4: Simplify right side
    507,085.92x = 263,383,570,159.97
  5. Step 5: Solve for x
    x = 263,383,570,159.97/507,085.92
  6. Step 6: Final answer
    x = 519,406.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.