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Finding the Fourth Proportional to 292,823.60, 439,235.40 and 193,096.40

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Solution

The fourth proportional to 292,823.60, 439,235.40 and 193,096.40 is: 289,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,823.60 : 439,235.40 = 193,096.40 : x
  2. Step 2: Convert to fraction form
    292,823.60/439,235.40 = 193,096.40/x
  3. Step 3: Cross multiply
    292,823.60x = 439,235.40 × 193,096.40
  4. Step 4: Simplify right side
    292,823.60x = 84,814,774,492.56
  5. Step 5: Solve for x
    x = 84,814,774,492.56/292,823.60
  6. Step 6: Final answer
    x = 289,644.60

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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.