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Finding the Fourth Proportional to 535,095.40, 802,643.10 and 235,257.70

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Solution

The fourth proportional to 535,095.40, 802,643.10 and 235,257.70 is: 352,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,095.40 : 802,643.10 = 235,257.70 : x
  2. Step 2: Convert to fraction form
    535,095.40/802,643.10 = 235,257.70/x
  3. Step 3: Cross multiply
    535,095.40x = 802,643.10 × 235,257.70
  4. Step 4: Simplify right side
    535,095.40x = 188,827,969,626.87
  5. Step 5: Solve for x
    x = 188,827,969,626.87/535,095.40
  6. Step 6: Final answer
    x = 352,886.55

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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.