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Finding the Fourth Proportional to 362,430.80, 543,775.80 and 152,133.20

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Solution

The fourth proportional to 362,430.80, 543,775.80 and 152,133.20 is: 228,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,430.80 : 543,775.80 = 152,133.20 : x
  2. Step 2: Convert to fraction form
    362,430.80/543,775.80 = 152,133.20/x
  3. Step 3: Cross multiply
    362,430.80x = 543,775.80 × 152,133.20
  4. Step 4: Simplify right side
    362,430.80x = 82,726,352,536.56
  5. Step 5: Solve for x
    x = 82,726,352,536.56/362,430.80
  6. Step 6: Final answer
    x = 228,254.20

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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.