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Finding the Fourth Proportional to 604,916.51, 907,374.78 and 225,866.80

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Solution

The fourth proportional to 604,916.51, 907,374.78 and 225,866.80 is: 338,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,916.51 : 907,374.78 = 225,866.80 : x
  2. Step 2: Convert to fraction form
    604,916.51/907,374.78 = 225,866.80/x
  3. Step 3: Cross multiply
    604,916.51x = 907,374.78 × 225,866.80
  4. Step 4: Simplify right side
    604,916.51x = 204,945,835,690.87
  5. Step 5: Solve for x
    x = 204,945,835,690.87/604,916.51
  6. Step 6: Final answer
    x = 338,800.20

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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.