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Finding the Fourth Proportional to 364,341.80, 546,512.70 and 340,722.20

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Solution

The fourth proportional to 364,341.80, 546,512.70 and 340,722.20 is: 511,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,341.80 : 546,512.70 = 340,722.20 : x
  2. Step 2: Convert to fraction form
    364,341.80/546,512.70 = 340,722.20/x
  3. Step 3: Cross multiply
    364,341.80x = 546,512.70 × 340,722.20
  4. Step 4: Simplify right side
    364,341.80x = 186,209,009,471.94
  5. Step 5: Solve for x
    x = 186,209,009,471.94/364,341.80
  6. Step 6: Final answer
    x = 511,083.30

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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.