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Finding the Fourth Proportional to 623,714.60, 936,032.70 and 413,282.60

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Solution

The fourth proportional to 623,714.60, 936,032.70 and 413,282.60 is: 620,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,714.60 : 936,032.70 = 413,282.60 : x
  2. Step 2: Convert to fraction form
    623,714.60/936,032.70 = 413,282.60/x
  3. Step 3: Cross multiply
    623,714.60x = 936,032.70 × 413,282.60
  4. Step 4: Simplify right side
    623,714.60x = 386,846,027,941.02
  5. Step 5: Solve for x
    x = 386,846,027,941.02/623,714.60
  6. Step 6: Final answer
    x = 620,229.23

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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.