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Finding the Fourth Proportional to 370,149.84, 554,991.48 and 314,009.64

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Solution

The fourth proportional to 370,149.84, 554,991.48 and 314,009.64 is: 470,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,149.84 : 554,991.48 = 314,009.64 : x
  2. Step 2: Convert to fraction form
    370,149.84/554,991.48 = 314,009.64/x
  3. Step 3: Cross multiply
    370,149.84x = 554,991.48 × 314,009.64
  4. Step 4: Simplify right side
    370,149.84x = 174,272,674,837.87
  5. Step 5: Solve for x
    x = 174,272,674,837.87/370,149.84
  6. Step 6: Final answer
    x = 470,816.56

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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.