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Finding the Fourth Proportional to 369,101.37, 509,341.05 and 207,965.94

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Solution

The fourth proportional to 369,101.37, 509,341.05 and 207,965.94 is: 286,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,101.37 : 509,341.05 = 207,965.94 : x
  2. Step 2: Convert to fraction form
    369,101.37/509,341.05 = 207,965.94/x
  3. Step 3: Cross multiply
    369,101.37x = 509,341.05 × 207,965.94
  4. Step 4: Simplify right side
    369,101.37x = 105,925,590,243.84
  5. Step 5: Solve for x
    x = 105,925,590,243.84/369,101.37
  6. Step 6: Final answer
    x = 286,982.38

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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.