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Finding the Fourth Proportional to 368,601.45, 508,686.37 and 207,466.94

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Solution

The fourth proportional to 368,601.45, 508,686.37 and 207,466.94 is: 286,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,601.45 : 508,686.37 = 207,466.94 : x
  2. Step 2: Convert to fraction form
    368,601.45/508,686.37 = 207,466.94/x
  3. Step 3: Cross multiply
    368,601.45x = 508,686.37 × 207,466.94
  4. Step 4: Simplify right side
    368,601.45x = 105,535,602,060.18
  5. Step 5: Solve for x
    x = 105,535,602,060.18/368,601.45
  6. Step 6: Final answer
    x = 286,313.58

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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.