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Finding the Fourth Proportional to 624,348.60, 861,607.44 and 337,875.36

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Solution

The fourth proportional to 624,348.60, 861,607.44 and 337,875.36 is: 466,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,348.60 : 861,607.44 = 337,875.36 : x
  2. Step 2: Convert to fraction form
    624,348.60/861,607.44 = 337,875.36/x
  3. Step 3: Cross multiply
    624,348.60x = 861,607.44 × 337,875.36
  4. Step 4: Simplify right side
    624,348.60x = 291,115,923,968.68
  5. Step 5: Solve for x
    x = 291,115,923,968.68/624,348.60
  6. Step 6: Final answer
    x = 466,271.45

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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.