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Finding the Fourth Proportional to 368,073.79, 507,626.94 and 253,535.14

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Solution

The fourth proportional to 368,073.79, 507,626.94 and 253,535.14 is: 349,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,073.79 : 507,626.94 = 253,535.14 : x
  2. Step 2: Convert to fraction form
    368,073.79/507,626.94 = 253,535.14/x
  3. Step 3: Cross multiply
    368,073.79x = 507,626.94 × 253,535.14
  4. Step 4: Simplify right side
    368,073.79x = 128,701,267,300.67
  5. Step 5: Solve for x
    x = 128,701,267,300.67/368,073.79
  6. Step 6: Final answer
    x = 349,661.59

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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.