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Finding the Fourth Proportional to 306,689.60, 460,048.80 and 96,334.40

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Solution

The fourth proportional to 306,689.60, 460,048.80 and 96,334.40 is: 144,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,689.60 : 460,048.80 = 96,334.40 : x
  2. Step 2: Convert to fraction form
    306,689.60/460,048.80 = 96,334.40/x
  3. Step 3: Cross multiply
    306,689.60x = 460,048.80 × 96,334.40
  4. Step 4: Simplify right side
    306,689.60x = 44,318,525,118.72
  5. Step 5: Solve for x
    x = 44,318,525,118.72/306,689.60
  6. Step 6: Final answer
    x = 144,506.12

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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.