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Finding the Fourth Proportional to 610,561.62, 842,466.42 and 368,682.12

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Solution

The fourth proportional to 610,561.62, 842,466.42 and 368,682.12 is: 508,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,561.62 : 842,466.42 = 368,682.12 : x
  2. Step 2: Convert to fraction form
    610,561.62/842,466.42 = 368,682.12/x
  3. Step 3: Cross multiply
    610,561.62x = 842,466.42 × 368,682.12
  4. Step 4: Simplify right side
    610,561.62x = 310,602,305,754.41
  5. Step 5: Solve for x
    x = 310,602,305,754.41/610,561.62
  6. Step 6: Final answer
    x = 508,715.74

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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.