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Finding the Fourth Proportional to 496,762.80, 744,726.24 and 216,068.64

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Solution

The fourth proportional to 496,762.80, 744,726.24 and 216,068.64 is: 323,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,762.80 : 744,726.24 = 216,068.64 : x
  2. Step 2: Convert to fraction form
    496,762.80/744,726.24 = 216,068.64/x
  3. Step 3: Cross multiply
    496,762.80x = 744,726.24 × 216,068.64
  4. Step 4: Simplify right side
    496,762.80x = 160,911,985,849.11
  5. Step 5: Solve for x
    x = 160,911,985,849.11/496,762.80
  6. Step 6: Final answer
    x = 323,921.17

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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.