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Finding the Fourth Proportional to 576,747.06, 790,130.28 and 555,183.82

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Solution

The fourth proportional to 576,747.06, 790,130.28 and 555,183.82 is: 760,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,747.06 : 790,130.28 = 555,183.82 : x
  2. Step 2: Convert to fraction form
    576,747.06/790,130.28 = 555,183.82/x
  3. Step 3: Cross multiply
    576,747.06x = 790,130.28 × 555,183.82
  4. Step 4: Simplify right side
    576,747.06x = 438,667,547,148.07
  5. Step 5: Solve for x
    x = 438,667,547,148.07/576,747.06
  6. Step 6: Final answer
    x = 760,589.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.