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Finding the Fourth Proportional to 666,104.06, 999,406.98 and 400,050.06

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Solution

The fourth proportional to 666,104.06, 999,406.98 and 400,050.06 is: 600,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,104.06 : 999,406.98 = 400,050.06 : x
  2. Step 2: Convert to fraction form
    666,104.06/999,406.98 = 400,050.06/x
  3. Step 3: Cross multiply
    666,104.06x = 999,406.98 × 400,050.06
  4. Step 4: Simplify right side
    666,104.06x = 399,812,822,313.42
  5. Step 5: Solve for x
    x = 399,812,822,313.42/666,104.06
  6. Step 6: Final answer
    x = 600,225.77

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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.