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Finding the Fourth Proportional to 636,985.59, 955,478.37 and 232,208.16

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Solution

The fourth proportional to 636,985.59, 955,478.37 and 232,208.16 is: 348,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,985.59 : 955,478.37 = 232,208.16 : x
  2. Step 2: Convert to fraction form
    636,985.59/955,478.37 = 232,208.16/x
  3. Step 3: Cross multiply
    636,985.59x = 955,478.37 × 232,208.16
  4. Step 4: Simplify right side
    636,985.59x = 221,869,874,217.50
  5. Step 5: Solve for x
    x = 221,869,874,217.50/636,985.59
  6. Step 6: Final answer
    x = 348,312.23

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Similar ratio
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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.