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Finding the Fourth Proportional to 530,840.40, 796,260.60 and 404,869.20

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Solution

The fourth proportional to 530,840.40, 796,260.60 and 404,869.20 is: 607,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,840.40 : 796,260.60 = 404,869.20 : x
  2. Step 2: Convert to fraction form
    530,840.40/796,260.60 = 404,869.20/x
  3. Step 3: Cross multiply
    530,840.40x = 796,260.60 × 404,869.20
  4. Step 4: Simplify right side
    530,840.40x = 322,381,392,113.52
  5. Step 5: Solve for x
    x = 322,381,392,113.52/530,840.40
  6. Step 6: Final answer
    x = 607,303.80

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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.