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Finding the Fourth Proportional to 480,034.30, 720,051.45 and 303,324.70

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Solution

The fourth proportional to 480,034.30, 720,051.45 and 303,324.70 is: 454,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,034.30 : 720,051.45 = 303,324.70 : x
  2. Step 2: Convert to fraction form
    480,034.30/720,051.45 = 303,324.70/x
  3. Step 3: Cross multiply
    480,034.30x = 720,051.45 × 303,324.70
  4. Step 4: Simplify right side
    480,034.30x = 218,409,390,055.82
  5. Step 5: Solve for x
    x = 218,409,390,055.82/480,034.30
  6. Step 6: Final answer
    x = 454,987.05

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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.