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Finding the Fourth Proportional to 430,802.32, 594,478.56 and 239,810.80

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Solution

The fourth proportional to 430,802.32, 594,478.56 and 239,810.80 is: 330,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,802.32 : 594,478.56 = 239,810.80 : x
  2. Step 2: Convert to fraction form
    430,802.32/594,478.56 = 239,810.80/x
  3. Step 3: Cross multiply
    430,802.32x = 594,478.56 × 239,810.80
  4. Step 4: Simplify right side
    430,802.32x = 142,562,379,056.45
  5. Step 5: Solve for x
    x = 142,562,379,056.45/430,802.32
  6. Step 6: Final answer
    x = 330,922.96

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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.