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Finding the Fourth Proportional to 539,384.32, 809,437.32 and 223,841.20

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Solution

The fourth proportional to 539,384.32, 809,437.32 and 223,841.20 is: 335,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,384.32 : 809,437.32 = 223,841.20 : x
  2. Step 2: Convert to fraction form
    539,384.32/809,437.32 = 223,841.20/x
  3. Step 3: Cross multiply
    539,384.32x = 809,437.32 × 223,841.20
  4. Step 4: Simplify right side
    539,384.32x = 181,185,421,033.58
  5. Step 5: Solve for x
    x = 181,185,421,033.58/539,384.32
  6. Step 6: Final answer
    x = 335,911.55

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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.