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Finding the Fourth Proportional to 614,842.60, 922,436.70 and 260,026.60

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Solution

The fourth proportional to 614,842.60, 922,436.70 and 260,026.60 is: 390,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,842.60 : 922,436.70 = 260,026.60 : x
  2. Step 2: Convert to fraction form
    614,842.60/922,436.70 = 260,026.60/x
  3. Step 3: Cross multiply
    614,842.60x = 922,436.70 × 260,026.60
  4. Step 4: Simplify right side
    614,842.60x = 239,858,078,816.22
  5. Step 5: Solve for x
    x = 239,858,078,816.22/614,842.60
  6. Step 6: Final answer
    x = 390,112.98

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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.