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Finding the Fourth Proportional to 430,803.07, 594,518.66 and 239,829.37

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Solution

The fourth proportional to 430,803.07, 594,518.66 and 239,829.37 is: 330,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,803.07 : 594,518.66 = 239,829.37 : x
  2. Step 2: Convert to fraction form
    430,803.07/594,518.66 = 239,829.37/x
  3. Step 3: Cross multiply
    430,803.07x = 594,518.66 × 239,829.37
  4. Step 4: Simplify right side
    430,803.07x = 142,583,035,681.04
  5. Step 5: Solve for x
    x = 142,583,035,681.04/430,803.07
  6. Step 6: Final answer
    x = 330,970.33

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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.