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Finding the Fourth Proportional to 301,638.80, 452,303.43 and 159,560.76

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Solution

The fourth proportional to 301,638.80, 452,303.43 and 159,560.76 is: 239,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,638.80 : 452,303.43 = 159,560.76 : x
  2. Step 2: Convert to fraction form
    301,638.80/452,303.43 = 159,560.76/x
  3. Step 3: Cross multiply
    301,638.80x = 452,303.43 × 159,560.76
  4. Step 4: Simplify right side
    301,638.80x = 72,169,879,041.41
  5. Step 5: Solve for x
    x = 72,169,879,041.41/301,638.80
  6. Step 6: Final answer
    x = 239,259.27

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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.