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Finding the Fourth Proportional to 461,706.40, 692,170.80 and 240,090.40

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Solution

The fourth proportional to 461,706.40, 692,170.80 and 240,090.40 is: 359,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,706.40 : 692,170.80 = 240,090.40 : x
  2. Step 2: Convert to fraction form
    461,706.40/692,170.80 = 240,090.40/x
  3. Step 3: Cross multiply
    461,706.40x = 692,170.80 × 240,090.40
  4. Step 4: Simplify right side
    461,706.40x = 166,183,564,240.32
  5. Step 5: Solve for x
    x = 166,183,564,240.32/461,706.40
  6. Step 6: Final answer
    x = 359,933.42

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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.