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Finding the Fourth Proportional to 576,830.24, 864,632.64 and 340,284.32

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Solution

The fourth proportional to 576,830.24, 864,632.64 and 340,284.32 is: 510,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,830.24 : 864,632.64 = 340,284.32 : x
  2. Step 2: Convert to fraction form
    576,830.24/864,632.64 = 340,284.32/x
  3. Step 3: Cross multiply
    576,830.24x = 864,632.64 × 340,284.32
  4. Step 4: Simplify right side
    576,830.24x = 294,220,929,952.21
  5. Step 5: Solve for x
    x = 294,220,929,952.21/576,830.24
  6. Step 6: Final answer
    x = 510,065.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.