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Finding the Fourth Proportional to 587,501.80, 810,754.55 and 369,854.48

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Solution

The fourth proportional to 587,501.80, 810,754.55 and 369,854.48 is: 510,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,501.80 : 810,754.55 = 369,854.48 : x
  2. Step 2: Convert to fraction form
    587,501.80/810,754.55 = 369,854.48/x
  3. Step 3: Cross multiply
    587,501.80x = 810,754.55 × 369,854.48
  4. Step 4: Simplify right side
    587,501.80x = 299,861,199,607.00
  5. Step 5: Solve for x
    x = 299,861,199,607.00/587,501.80
  6. Step 6: Final answer
    x = 510,400.48

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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.