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Finding the Fourth Proportional to 536,435.20, 803,340.60 and 255,624.40

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Solution

The fourth proportional to 536,435.20, 803,340.60 and 255,624.40 is: 382,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,435.20 : 803,340.60 = 255,624.40 : x
  2. Step 2: Convert to fraction form
    536,435.20/803,340.60 = 255,624.40/x
  3. Step 3: Cross multiply
    536,435.20x = 803,340.60 × 255,624.40
  4. Step 4: Simplify right side
    536,435.20x = 205,353,458,870.64
  5. Step 5: Solve for x
    x = 205,353,458,870.64/536,435.20
  6. Step 6: Final answer
    x = 382,811.30

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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.