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Finding the Fourth Proportional to 556,130.40, 834,195.60 and 201,199.20

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Solution

The fourth proportional to 556,130.40, 834,195.60 and 201,199.20 is: 301,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,130.40 : 834,195.60 = 201,199.20 : x
  2. Step 2: Convert to fraction form
    556,130.40/834,195.60 = 201,199.20/x
  3. Step 3: Cross multiply
    556,130.40x = 834,195.60 × 201,199.20
  4. Step 4: Simplify right side
    556,130.40x = 167,839,487,363.52
  5. Step 5: Solve for x
    x = 167,839,487,363.52/556,130.40
  6. Step 6: Final answer
    x = 301,798.80

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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.