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Finding the Fourth Proportional to 488,345.40, 733,643.79 and 468,167.76

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Solution

The fourth proportional to 488,345.40, 733,643.79 and 468,167.76 is: 703,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,345.40 : 733,643.79 = 468,167.76 : x
  2. Step 2: Convert to fraction form
    488,345.40/733,643.79 = 468,167.76/x
  3. Step 3: Cross multiply
    488,345.40x = 733,643.79 × 468,167.76
  4. Step 4: Simplify right side
    488,345.40x = 343,468,369,802.21
  5. Step 5: Solve for x
    x = 343,468,369,802.21/488,345.40
  6. Step 6: Final answer
    x = 703,330.82

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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.