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Finding the Fourth Proportional to 623,746.71, 860,771.07 and 337,266.72

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Solution

The fourth proportional to 623,746.71, 860,771.07 and 337,266.72 is: 465,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,746.71 : 860,771.07 = 337,266.72 : x
  2. Step 2: Convert to fraction form
    623,746.71/860,771.07 = 337,266.72/x
  3. Step 3: Cross multiply
    623,746.71x = 860,771.07 × 337,266.72
  4. Step 4: Simplify right side
    623,746.71x = 290,309,435,449.79
  5. Step 5: Solve for x
    x = 290,309,435,449.79/623,746.71
  6. Step 6: Final answer
    x = 465,428.40

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Double scale
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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.