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Finding the Fourth Proportional to 623,662.85, 860,654.63 and 337,182.93

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Solution

The fourth proportional to 623,662.85, 860,654.63 and 337,182.93 is: 465,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,662.85 : 860,654.63 = 337,182.93 : x
  2. Step 2: Convert to fraction form
    623,662.85/860,654.63 = 337,182.93/x
  3. Step 3: Cross multiply
    623,662.85x = 860,654.63 × 337,182.93
  4. Step 4: Simplify right side
    623,662.85x = 290,198,053,931.88
  5. Step 5: Solve for x
    x = 290,198,053,931.88/623,662.85
  6. Step 6: Final answer
    x = 465,312.40

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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.