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Finding the Fourth Proportional to 472,157.57, 707,720.93 and 232,436.45

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Solution

The fourth proportional to 472,157.57, 707,720.93 and 232,436.45 is: 348,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,157.57 : 707,720.93 = 232,436.45 : x
  2. Step 2: Convert to fraction form
    472,157.57/707,720.93 = 232,436.45/x
  3. Step 3: Cross multiply
    472,157.57x = 707,720.93 × 232,436.45
  4. Step 4: Simplify right side
    472,157.57x = 164,500,142,038.66
  5. Step 5: Solve for x
    x = 164,500,142,038.66/472,157.57
  6. Step 6: Final answer
    x = 348,400.94

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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.