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Finding the Fourth Proportional to 368,083.30, 507,640.04 and 253,544.62

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Solution

The fourth proportional to 368,083.30, 507,640.04 and 253,544.62 is: 349,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,083.30 : 507,640.04 = 253,544.62 : x
  2. Step 2: Convert to fraction form
    368,083.30/507,640.04 = 253,544.62/x
  3. Step 3: Cross multiply
    368,083.30x = 507,640.04 × 253,544.62
  4. Step 4: Simplify right side
    368,083.30x = 128,709,401,038.59
  5. Step 5: Solve for x
    x = 128,709,401,038.59/368,083.30
  6. Step 6: Final answer
    x = 349,674.66

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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.