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Finding the Fourth Proportional to 348,043.20, 522,064.80 and 181,809.60

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Solution

The fourth proportional to 348,043.20, 522,064.80 and 181,809.60 is: 272,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,043.20 : 522,064.80 = 181,809.60 : x
  2. Step 2: Convert to fraction form
    348,043.20/522,064.80 = 181,809.60/x
  3. Step 3: Cross multiply
    348,043.20x = 522,064.80 × 181,809.60
  4. Step 4: Simplify right side
    348,043.20x = 94,916,392,462.08
  5. Step 5: Solve for x
    x = 94,916,392,462.08/348,043.20
  6. Step 6: Final answer
    x = 272,714.40

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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.