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Finding the Fourth Proportional to 623,713.91, 860,724.63 and 337,233.32

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Solution

The fourth proportional to 623,713.91, 860,724.63 and 337,233.32 is: 465,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,713.91 : 860,724.63 = 337,233.32 : x
  2. Step 2: Convert to fraction form
    623,713.91/860,724.63 = 337,233.32/x
  3. Step 3: Cross multiply
    623,713.91x = 860,724.63 × 337,233.32
  4. Step 4: Simplify right side
    623,713.91x = 290,265,024,580.67
  5. Step 5: Solve for x
    x = 290,265,024,580.67/623,713.91
  6. Step 6: Final answer
    x = 465,381.68

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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.