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Finding the Fourth Proportional to 636,636.16, 955,014.18 and 187,357.24

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Solution

The fourth proportional to 636,636.16, 955,014.18 and 187,357.24 is: 281,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,636.16 : 955,014.18 = 187,357.24 : x
  2. Step 2: Convert to fraction form
    636,636.16/955,014.18 = 187,357.24/x
  3. Step 3: Cross multiply
    636,636.16x = 955,014.18 × 187,357.24
  4. Step 4: Simplify right side
    636,636.16x = 178,928,820,925.66
  5. Step 5: Solve for x
    x = 178,928,820,925.66/636,636.16
  6. Step 6: Final answer
    x = 281,053.50

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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.