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Finding the Fourth Proportional to 334,365.20, 501,547.80 and 220,203.80

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Solution

The fourth proportional to 334,365.20, 501,547.80 and 220,203.80 is: 330,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,365.20 : 501,547.80 = 220,203.80 : x
  2. Step 2: Convert to fraction form
    334,365.20/501,547.80 = 220,203.80/x
  3. Step 3: Cross multiply
    334,365.20x = 501,547.80 × 220,203.80
  4. Step 4: Simplify right side
    334,365.20x = 110,442,731,441.64
  5. Step 5: Solve for x
    x = 110,442,731,441.64/334,365.20
  6. Step 6: Final answer
    x = 330,305.70

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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.