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Finding the Fourth Proportional to 438,074.47, 604,816.44 and 335,903.66

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Solution

The fourth proportional to 438,074.47, 604,816.44 and 335,903.66 is: 463,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,074.47 : 604,816.44 = 335,903.66 : x
  2. Step 2: Convert to fraction form
    438,074.47/604,816.44 = 335,903.66/x
  3. Step 3: Cross multiply
    438,074.47x = 604,816.44 × 335,903.66
  4. Step 4: Simplify right side
    438,074.47x = 203,160,052,800.09
  5. Step 5: Solve for x
    x = 203,160,052,800.09/438,074.47
  6. Step 6: Final answer
    x = 463,756.89

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1.5x scale

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.