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Finding the Fourth Proportional to 415,183.61, 572,995.71 and 254,145.08

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Solution

The fourth proportional to 415,183.61, 572,995.71 and 254,145.08 is: 350,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,183.61 : 572,995.71 = 254,145.08 : x
  2. Step 2: Convert to fraction form
    415,183.61/572,995.71 = 254,145.08/x
  3. Step 3: Cross multiply
    415,183.61x = 572,995.71 × 254,145.08
  4. Step 4: Simplify right side
    415,183.61x = 145,624,040,557.61
  5. Step 5: Solve for x
    x = 145,624,040,557.61/415,183.61
  6. Step 6: Final answer
    x = 350,746.12

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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.