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Finding the Fourth Proportional to 452,452.50, 624,384.45 and 251,248.50

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Solution

The fourth proportional to 452,452.50, 624,384.45 and 251,248.50 is: 346,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,452.50 : 624,384.45 = 251,248.50 : x
  2. Step 2: Convert to fraction form
    452,452.50/624,384.45 = 251,248.50/x
  3. Step 3: Cross multiply
    452,452.50x = 624,384.45 × 251,248.50
  4. Step 4: Simplify right side
    452,452.50x = 156,875,656,485.83
  5. Step 5: Solve for x
    x = 156,875,656,485.83/452,452.50
  6. Step 6: Final answer
    x = 346,722.93

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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.