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Finding the Fourth Proportional to 306,886.40, 460,329.60 and 96,588.80

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Solution

The fourth proportional to 306,886.40, 460,329.60 and 96,588.80 is: 144,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,886.40 : 460,329.60 = 96,588.80 : x
  2. Step 2: Convert to fraction form
    306,886.40/460,329.60 = 96,588.80/x
  3. Step 3: Cross multiply
    306,886.40x = 460,329.60 × 96,588.80
  4. Step 4: Simplify right side
    306,886.40x = 44,462,683,668.48
  5. Step 5: Solve for x
    x = 44,462,683,668.48/306,886.40
  6. Step 6: Final answer
    x = 144,883.20

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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.