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Finding the Fourth Proportional to 546,561.60, 819,074.40 and 434,433.60

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Solution

The fourth proportional to 546,561.60, 819,074.40 and 434,433.60 is: 651,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,561.60 : 819,074.40 = 434,433.60 : x
  2. Step 2: Convert to fraction form
    546,561.60/819,074.40 = 434,433.60/x
  3. Step 3: Cross multiply
    546,561.60x = 819,074.40 × 434,433.60
  4. Step 4: Simplify right side
    546,561.60x = 355,833,440,259.84
  5. Step 5: Solve for x
    x = 355,833,440,259.84/546,561.60
  6. Step 6: Final answer
    x = 651,039.96

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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.