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Finding the Fourth Proportional to 461,903.60, 692,952.60 and 146,392.40

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Solution

The fourth proportional to 461,903.60, 692,952.60 and 146,392.40 is: 219,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,903.60 : 692,952.60 = 146,392.40 : x
  2. Step 2: Convert to fraction form
    461,903.60/692,952.60 = 146,392.40/x
  3. Step 3: Cross multiply
    461,903.60x = 692,952.60 × 146,392.40
  4. Step 4: Simplify right side
    461,903.60x = 101,442,994,200.24
  5. Step 5: Solve for x
    x = 101,442,994,200.24/461,903.60
  6. Step 6: Final answer
    x = 219,619.41

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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.