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Finding the Fourth Proportional to 615,809.24, 922,996.74 and 260,705.24

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Solution

The fourth proportional to 615,809.24, 922,996.74 and 260,705.24 is: 390,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,809.24 : 922,996.74 = 260,705.24 : x
  2. Step 2: Convert to fraction form
    615,809.24/922,996.74 = 260,705.24/x
  3. Step 3: Cross multiply
    615,809.24x = 922,996.74 × 260,705.24
  4. Step 4: Simplify right side
    615,809.24x = 240,630,086,620.92
  5. Step 5: Solve for x
    x = 240,630,086,620.92/615,809.24
  6. Step 6: Final answer
    x = 390,754.26

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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.