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Finding the Fourth Proportional to 518,303.52, 777,455.28 and 296,532

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Solution

The fourth proportional to 518,303.52, 777,455.28 and 296,532 is: 444,798

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,303.52 : 777,455.28 = 296,532 : x
  2. Step 2: Convert to fraction form
    518,303.52/777,455.28 = 296,532/x
  3. Step 3: Cross multiply
    518,303.52x = 777,455.28 × 296,532
  4. Step 4: Simplify right side
    518,303.52x = 230,540,369,088.96
  5. Step 5: Solve for x
    x = 230,540,369,088.96/518,303.52
  6. Step 6: Final answer
    x = 444,798

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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.