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Finding the Fourth Proportional to 434,574.46, 599,740.47 and 243,587.89

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Solution

The fourth proportional to 434,574.46, 599,740.47 and 243,587.89 is: 336,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,574.46 : 599,740.47 = 243,587.89 : x
  2. Step 2: Convert to fraction form
    434,574.46/599,740.47 = 243,587.89/x
  3. Step 3: Cross multiply
    434,574.46x = 599,740.47 × 243,587.89
  4. Step 4: Simplify right side
    434,574.46x = 146,089,515,634.91
  5. Step 5: Solve for x
    x = 146,089,515,634.91/434,574.46
  6. Step 6: Final answer
    x = 336,166.82

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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.