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Finding the Fourth Proportional to 393,706.04, 590,010.03 and 297,564.32

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Solution

The fourth proportional to 393,706.04, 590,010.03 and 297,564.32 is: 445,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,706.04 : 590,010.03 = 297,564.32 : x
  2. Step 2: Convert to fraction form
    393,706.04/590,010.03 = 297,564.32/x
  3. Step 3: Cross multiply
    393,706.04x = 590,010.03 × 297,564.32
  4. Step 4: Simplify right side
    393,706.04x = 175,565,933,370.13
  5. Step 5: Solve for x
    x = 175,565,933,370.13/393,706.04
  6. Step 6: Final answer
    x = 445,931.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.