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Finding the Fourth Proportional to 623,434.06, 860,339.20 and 336,954.16

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Solution

The fourth proportional to 623,434.06, 860,339.20 and 336,954.16 is: 464,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,434.06 : 860,339.20 = 336,954.16 : x
  2. Step 2: Convert to fraction form
    623,434.06/860,339.20 = 336,954.16/x
  3. Step 3: Cross multiply
    623,434.06x = 860,339.20 × 336,954.16
  4. Step 4: Simplify right side
    623,434.06x = 289,894,872,451.07
  5. Step 5: Solve for x
    x = 289,894,872,451.07/623,434.06
  6. Step 6: Final answer
    x = 464,996.85

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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.