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Finding the Fourth Proportional to 579,682.60, 813,030.20 and 579,682.60

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Solution

The fourth proportional to 579,682.60, 813,030.20 and 579,682.60 is: 813,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,682.60 : 813,030.20 = 579,682.60 : x
  2. Step 2: Convert to fraction form
    579,682.60/813,030.20 = 579,682.60/x
  3. Step 3: Cross multiply
    579,682.60x = 813,030.20 × 579,682.60
  4. Step 4: Simplify right side
    579,682.60x = 471,299,460,214.52
  5. Step 5: Solve for x
    x = 471,299,460,214.52/579,682.60
  6. Step 6: Final answer
    x = 813,030.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.