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Finding the Fourth Proportional to 932,709.60, 1,399,064.40 and 333,690.30

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Solution

The fourth proportional to 932,709.60, 1,399,064.40 and 333,690.30 is: 500,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,709.60 : 1,399,064.40 = 333,690.30 : x
  2. Step 2: Convert to fraction form
    932,709.60/1,399,064.40 = 333,690.30/x
  3. Step 3: Cross multiply
    932,709.60x = 1,399,064.40 × 333,690.30
  4. Step 4: Simplify right side
    932,709.60x = 466,854,219,355.32
  5. Step 5: Solve for x
    x = 466,854,219,355.32/932,709.60
  6. Step 6: Final answer
    x = 500,535.45

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Double scale
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Similar ratio
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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.