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Finding the Fourth Proportional to 556,260.40, 834,196.20 and 289,932.40

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Solution

The fourth proportional to 556,260.40, 834,196.20 and 289,932.40 is: 434,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,260.40 : 834,196.20 = 289,932.40 : x
  2. Step 2: Convert to fraction form
    556,260.40/834,196.20 = 289,932.40/x
  3. Step 3: Cross multiply
    556,260.40x = 834,196.20 × 289,932.40
  4. Step 4: Simplify right side
    556,260.40x = 241,860,506,336.88
  5. Step 5: Solve for x
    x = 241,860,506,336.88/556,260.40
  6. Step 6: Final answer
    x = 434,797.28

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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.