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Finding the Fourth Proportional to 556,852.80, 835,279.20 and 201,866.40

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Solution

The fourth proportional to 556,852.80, 835,279.20 and 201,866.40 is: 302,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,852.80 : 835,279.20 = 201,866.40 : x
  2. Step 2: Convert to fraction form
    556,852.80/835,279.20 = 201,866.40/x
  3. Step 3: Cross multiply
    556,852.80x = 835,279.20 × 201,866.40
  4. Step 4: Simplify right side
    556,852.80x = 168,614,805,098.88
  5. Step 5: Solve for x
    x = 168,614,805,098.88/556,852.80
  6. Step 6: Final answer
    x = 302,799.60

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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.