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Finding the Fourth Proportional to 434,552.20, 651,609.60 and 257,113.60

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Solution

The fourth proportional to 434,552.20, 651,609.60 and 257,113.60 is: 385,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,552.20 : 651,609.60 = 257,113.60 : x
  2. Step 2: Convert to fraction form
    434,552.20/651,609.60 = 257,113.60/x
  3. Step 3: Cross multiply
    434,552.20x = 651,609.60 × 257,113.60
  4. Step 4: Simplify right side
    434,552.20x = 167,537,690,050.56
  5. Step 5: Solve for x
    x = 167,537,690,050.56/434,552.20
  6. Step 6: Final answer
    x = 385,541.00

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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.