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Finding the Fourth Proportional to 304,430.47, 454,778.96 and 219,465.52

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Solution

The fourth proportional to 304,430.47, 454,778.96 and 219,465.52 is: 327,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,430.47 : 454,778.96 = 219,465.52 : x
  2. Step 2: Convert to fraction form
    304,430.47/454,778.96 = 219,465.52/x
  3. Step 3: Cross multiply
    304,430.47x = 454,778.96 × 219,465.52
  4. Step 4: Simplify right side
    304,430.47x = 99,808,300,353.18
  5. Step 5: Solve for x
    x = 99,808,300,353.18/304,430.47
  6. Step 6: Final answer
    x = 327,852.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.