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Finding the Fourth Proportional to 556,834.80, 835,252.20 and 201,848.40

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Solution

The fourth proportional to 556,834.80, 835,252.20 and 201,848.40 is: 302,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,834.80 : 835,252.20 = 201,848.40 : x
  2. Step 2: Convert to fraction form
    556,834.80/835,252.20 = 201,848.40/x
  3. Step 3: Cross multiply
    556,834.80x = 835,252.20 × 201,848.40
  4. Step 4: Simplify right side
    556,834.80x = 168,594,320,166.48
  5. Step 5: Solve for x
    x = 168,594,320,166.48/556,834.80
  6. Step 6: Final answer
    x = 302,772.60

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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.