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Finding the Fourth Proportional to 586,779.60, 880,198.20 and 306,843.60

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Solution

The fourth proportional to 586,779.60, 880,198.20 and 306,843.60 is: 460,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,779.60 : 880,198.20 = 306,843.60 : x
  2. Step 2: Convert to fraction form
    586,779.60/880,198.20 = 306,843.60/x
  3. Step 3: Cross multiply
    586,779.60x = 880,198.20 × 306,843.60
  4. Step 4: Simplify right side
    586,779.60x = 270,083,184,401.52
  5. Step 5: Solve for x
    x = 270,083,184,401.52/586,779.60
  6. Step 6: Final answer
    x = 460,280.46

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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.