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Finding the Fourth Proportional to 303,325.70, 454,988.55 and 163,357.70

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Solution

The fourth proportional to 303,325.70, 454,988.55 and 163,357.70 is: 245,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,325.70 : 454,988.55 = 163,357.70 : x
  2. Step 2: Convert to fraction form
    303,325.70/454,988.55 = 163,357.70/x
  3. Step 3: Cross multiply
    303,325.70x = 454,988.55 × 163,357.70
  4. Step 4: Simplify right side
    303,325.70x = 74,325,883,054.34
  5. Step 5: Solve for x
    x = 74,325,883,054.34/303,325.70
  6. Step 6: Final answer
    x = 245,036.55

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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.