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Finding the Fourth Proportional to 400,341.40, 600,512.48 and 163,684.08

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Solution

The fourth proportional to 400,341.40, 600,512.48 and 163,684.08 is: 245,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,341.40 : 600,512.48 = 163,684.08 : x
  2. Step 2: Convert to fraction form
    400,341.40/600,512.48 = 163,684.08/x
  3. Step 3: Cross multiply
    400,341.40x = 600,512.48 × 163,684.08
  4. Step 4: Simplify right side
    400,341.40x = 98,294,332,817.32
  5. Step 5: Solve for x
    x = 98,294,332,817.32/400,341.40
  6. Step 6: Final answer
    x = 245,526.28

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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.