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Finding the Fourth Proportional to 459,841.37, 688,765.12 and 222,686.73

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Solution

The fourth proportional to 459,841.37, 688,765.12 and 222,686.73 is: 333,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,841.37 : 688,765.12 = 222,686.73 : x
  2. Step 2: Convert to fraction form
    459,841.37/688,765.12 = 222,686.73/x
  3. Step 3: Cross multiply
    459,841.37x = 688,765.12 × 222,686.73
  4. Step 4: Simplify right side
    459,841.37x = 153,378,851,754.14
  5. Step 5: Solve for x
    x = 153,378,851,754.14/459,841.37
  6. Step 6: Final answer
    x = 333,547.31

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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.