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Finding the Fourth Proportional to 623,869.77, 860,942.88 and 337,389.86

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Solution

The fourth proportional to 623,869.77, 860,942.88 and 337,389.86 is: 465,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,869.77 : 860,942.88 = 337,389.86 : x
  2. Step 2: Convert to fraction form
    623,869.77/860,942.88 = 337,389.86/x
  3. Step 3: Cross multiply
    623,869.77x = 860,942.88 × 337,389.86
  4. Step 4: Simplify right side
    623,869.77x = 290,473,395,598.84
  5. Step 5: Solve for x
    x = 290,473,395,598.84/623,869.77
  6. Step 6: Final answer
    x = 465,599.41

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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.