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Finding the Fourth Proportional to 440,277.60, 607,647.30 and 246,698.40

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Solution

The fourth proportional to 440,277.60, 607,647.30 and 246,698.40 is: 340,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,277.60 : 607,647.30 = 246,698.40 : x
  2. Step 2: Convert to fraction form
    440,277.60/607,647.30 = 246,698.40/x
  3. Step 3: Cross multiply
    440,277.60x = 607,647.30 × 246,698.40
  4. Step 4: Simplify right side
    440,277.60x = 149,905,616,674.32
  5. Step 5: Solve for x
    x = 149,905,616,674.32/440,277.60
  6. Step 6: Final answer
    x = 340,479.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.