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Finding the Fourth Proportional to 536,678.45, 805,119.73 and 181,597.13

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Solution

The fourth proportional to 536,678.45, 805,119.73 and 181,597.13 is: 272,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,678.45 : 805,119.73 = 181,597.13 : x
  2. Step 2: Convert to fraction form
    536,678.45/805,119.73 = 181,597.13/x
  3. Step 3: Cross multiply
    536,678.45x = 805,119.73 × 181,597.13
  4. Step 4: Simplify right side
    536,678.45x = 146,207,427,794.78
  5. Step 5: Solve for x
    x = 146,207,427,794.78/536,678.45
  6. Step 6: Final answer
    x = 272,430.22

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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.