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Finding the Fourth Proportional to 574,426.40, 860,084.40 and 450,010.40

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Solution

The fourth proportional to 574,426.40, 860,084.40 and 450,010.40 is: 673,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,426.40 : 860,084.40 = 450,010.40 : x
  2. Step 2: Convert to fraction form
    574,426.40/860,084.40 = 450,010.40/x
  3. Step 3: Cross multiply
    574,426.40x = 860,084.40 × 450,010.40
  4. Step 4: Simplify right side
    574,426.40x = 387,046,924,877.76
  5. Step 5: Solve for x
    x = 387,046,924,877.76/574,426.40
  6. Step 6: Final answer
    x = 673,797.24

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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.