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Finding the Fourth Proportional to 438,059.60, 614,527.60 and 438,059.60

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Solution

The fourth proportional to 438,059.60, 614,527.60 and 438,059.60 is: 614,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,059.60 : 614,527.60 = 438,059.60 : x
  2. Step 2: Convert to fraction form
    438,059.60/614,527.60 = 438,059.60/x
  3. Step 3: Cross multiply
    438,059.60x = 614,527.60 × 438,059.60
  4. Step 4: Simplify right side
    438,059.60x = 269,199,714,644.96
  5. Step 5: Solve for x
    x = 269,199,714,644.96/438,059.60
  6. Step 6: Final answer
    x = 614,527.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.