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Finding the Fourth Proportional to 452,267.56, 624,421.32 and 280,369.23

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Solution

The fourth proportional to 452,267.56, 624,421.32 and 280,369.23 is: 387,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,267.56 : 624,421.32 = 280,369.23 : x
  2. Step 2: Convert to fraction form
    452,267.56/624,421.32 = 280,369.23/x
  3. Step 3: Cross multiply
    452,267.56x = 624,421.32 × 280,369.23
  4. Step 4: Simplify right side
    452,267.56x = 175,068,521,291.02
  5. Step 5: Solve for x
    x = 175,068,521,291.02/452,267.56
  6. Step 6: Final answer
    x = 387,090.60

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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.