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Finding the Fourth Proportional to 423,977.60, 585,060.80 and 232,986.88

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Solution

The fourth proportional to 423,977.60, 585,060.80 and 232,986.88 is: 321,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,977.60 : 585,060.80 = 232,986.88 : x
  2. Step 2: Convert to fraction form
    423,977.60/585,060.80 = 232,986.88/x
  3. Step 3: Cross multiply
    423,977.60x = 585,060.80 × 232,986.88
  4. Step 4: Simplify right side
    423,977.60x = 136,311,490,402.30
  5. Step 5: Solve for x
    x = 136,311,490,402.30/423,977.60
  6. Step 6: Final answer
    x = 321,506.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.