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Finding the Fourth Proportional to 576,021.90, 864,032.85 and 492,041.10

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Solution

The fourth proportional to 576,021.90, 864,032.85 and 492,041.10 is: 738,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,021.90 : 864,032.85 = 492,041.10 : x
  2. Step 2: Convert to fraction form
    576,021.90/864,032.85 = 492,041.10/x
  3. Step 3: Cross multiply
    576,021.90x = 864,032.85 × 492,041.10
  4. Step 4: Simplify right side
    576,021.90x = 425,139,673,950.14
  5. Step 5: Solve for x
    x = 425,139,673,950.14/576,021.90
  6. Step 6: Final answer
    x = 738,061.65

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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.