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Finding the Fourth Proportional to 675,218.54, 931,767.03 and 369,235.44

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Solution

The fourth proportional to 675,218.54, 931,767.03 and 369,235.44 is: 509,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,218.54 : 931,767.03 = 369,235.44 : x
  2. Step 2: Convert to fraction form
    675,218.54/931,767.03 = 369,235.44/x
  3. Step 3: Cross multiply
    675,218.54x = 931,767.03 × 369,235.44
  4. Step 4: Simplify right side
    675,218.54x = 344,041,409,299.54
  5. Step 5: Solve for x
    x = 344,041,409,299.54/675,218.54
  6. Step 6: Final answer
    x = 509,526.01

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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.