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Finding the Fourth Proportional to 348,551.60, 522,827.40 and 111,918.20

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Solution

The fourth proportional to 348,551.60, 522,827.40 and 111,918.20 is: 167,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,551.60 : 522,827.40 = 111,918.20 : x
  2. Step 2: Convert to fraction form
    348,551.60/522,827.40 = 111,918.20/x
  3. Step 3: Cross multiply
    348,551.60x = 522,827.40 × 111,918.20
  4. Step 4: Simplify right side
    348,551.60x = 58,513,901,518.68
  5. Step 5: Solve for x
    x = 58,513,901,518.68/348,551.60
  6. Step 6: Final answer
    x = 167,877.30

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1.5x scale

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.