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Finding the Fourth Proportional to 555,544.24, 766,647.48 and 313,905.04

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Solution

The fourth proportional to 555,544.24, 766,647.48 and 313,905.04 is: 433,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,544.24 : 766,647.48 = 313,905.04 : x
  2. Step 2: Convert to fraction form
    555,544.24/766,647.48 = 313,905.04/x
  3. Step 3: Cross multiply
    555,544.24x = 766,647.48 × 313,905.04
  4. Step 4: Simplify right side
    555,544.24x = 240,654,507,875.30
  5. Step 5: Solve for x
    x = 240,654,507,875.30/555,544.24
  6. Step 6: Final answer
    x = 433,186.94

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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.