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Finding the Fourth Proportional to 556,225.12, 834,402.40 and 201,406.24

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Solution

The fourth proportional to 556,225.12, 834,402.40 and 201,406.24 is: 302,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,225.12 : 834,402.40 = 201,406.24 : x
  2. Step 2: Convert to fraction form
    556,225.12/834,402.40 = 201,406.24/x
  3. Step 3: Cross multiply
    556,225.12x = 834,402.40 × 201,406.24
  4. Step 4: Simplify right side
    556,225.12x = 168,053,850,030.98
  5. Step 5: Solve for x
    x = 168,053,850,030.98/556,225.12
  6. Step 6: Final answer
    x = 302,132.79

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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.