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Finding the Fourth Proportional to 461,749.60, 692,624.40 and 414,510.40

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Solution

The fourth proportional to 461,749.60, 692,624.40 and 414,510.40 is: 621,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,749.60 : 692,624.40 = 414,510.40 : x
  2. Step 2: Convert to fraction form
    461,749.60/692,624.40 = 414,510.40/x
  3. Step 3: Cross multiply
    461,749.60x = 692,624.40 × 414,510.40
  4. Step 4: Simplify right side
    461,749.60x = 287,100,017,093.76
  5. Step 5: Solve for x
    x = 287,100,017,093.76/461,749.60
  6. Step 6: Final answer
    x = 621,765.60

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Similar ratio
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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.