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Finding the Fourth Proportional to 512,246.01, 706,900.55 and 282,803.74

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Solution

The fourth proportional to 512,246.01, 706,900.55 and 282,803.74 is: 390,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,246.01 : 706,900.55 = 282,803.74 : x
  2. Step 2: Convert to fraction form
    512,246.01/706,900.55 = 282,803.74/x
  3. Step 3: Cross multiply
    512,246.01x = 706,900.55 × 282,803.74
  4. Step 4: Simplify right side
    512,246.01x = 199,914,116,166.79
  5. Step 5: Solve for x
    x = 199,914,116,166.79/512,246.01
  6. Step 6: Final answer
    x = 390,269.74

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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.