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Finding the Fourth Proportional to 524,688.20, 787,032.30 and 335,731.40

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Solution

The fourth proportional to 524,688.20, 787,032.30 and 335,731.40 is: 503,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,688.20 : 787,032.30 = 335,731.40 : x
  2. Step 2: Convert to fraction form
    524,688.20/787,032.30 = 335,731.40/x
  3. Step 3: Cross multiply
    524,688.20x = 787,032.30 × 335,731.40
  4. Step 4: Simplify right side
    524,688.20x = 264,231,455,924.22
  5. Step 5: Solve for x
    x = 264,231,455,924.22/524,688.20
  6. Step 6: Final answer
    x = 503,597.10

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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.