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Finding the Fourth Proportional to 607,669.65, 838,320.66 and 365,812.10

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Solution

The fourth proportional to 607,669.65, 838,320.66 and 365,812.10 is: 504,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,669.65 : 838,320.66 = 365,812.10 : x
  2. Step 2: Convert to fraction form
    607,669.65/838,320.66 = 365,812.10/x
  3. Step 3: Cross multiply
    607,669.65x = 838,320.66 × 365,812.10
  4. Step 4: Simplify right side
    607,669.65x = 306,667,836,916.38
  5. Step 5: Solve for x
    x = 306,667,836,916.38/607,669.65
  6. Step 6: Final answer
    x = 504,662.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.