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Finding the Fourth Proportional to 536,484.20, 804,726.30 and 181,509.80

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Solution

The fourth proportional to 536,484.20, 804,726.30 and 181,509.80 is: 272,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,484.20 : 804,726.30 = 181,509.80 : x
  2. Step 2: Convert to fraction form
    536,484.20/804,726.30 = 181,509.80/x
  3. Step 3: Cross multiply
    536,484.20x = 804,726.30 × 181,509.80
  4. Step 4: Simplify right side
    536,484.20x = 146,065,709,767.74
  5. Step 5: Solve for x
    x = 146,065,709,767.74/536,484.20
  6. Step 6: Final answer
    x = 272,264.70

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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.