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Finding the Fourth Proportional to 438,069.47, 604,809.53 and 335,898.65

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Solution

The fourth proportional to 438,069.47, 604,809.53 and 335,898.65 is: 463,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,069.47 : 604,809.53 = 335,898.65 : x
  2. Step 2: Convert to fraction form
    438,069.47/604,809.53 = 335,898.65/x
  3. Step 3: Cross multiply
    438,069.47x = 604,809.53 × 335,898.65
  4. Step 4: Simplify right side
    438,069.47x = 203,154,704,213.66
  5. Step 5: Solve for x
    x = 203,154,704,213.66/438,069.47
  6. Step 6: Final answer
    x = 463,749.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.