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Finding the Fourth Proportional to 623,687.49, 860,688.01 and 337,206.89

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Solution

The fourth proportional to 623,687.49, 860,688.01 and 337,206.89 is: 465,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,687.49 : 860,688.01 = 337,206.89 : x
  2. Step 2: Convert to fraction form
    623,687.49/860,688.01 = 337,206.89/x
  3. Step 3: Cross multiply
    623,687.49x = 860,688.01 × 337,206.89
  4. Step 4: Simplify right side
    623,687.49x = 290,229,927,112.39
  5. Step 5: Solve for x
    x = 290,229,927,112.39/623,687.49
  6. Step 6: Final answer
    x = 465,345.12

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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.