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Finding the Fourth Proportional to 675,150.74, 931,670.32 and 369,166.34

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Solution

The fourth proportional to 675,150.74, 931,670.32 and 369,166.34 is: 509,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,150.74 : 931,670.32 = 369,166.34 : x
  2. Step 2: Convert to fraction form
    675,150.74/931,670.32 = 369,166.34/x
  3. Step 3: Cross multiply
    675,150.74x = 931,670.32 × 369,166.34
  4. Step 4: Simplify right side
    675,150.74x = 343,941,322,121.03
  5. Step 5: Solve for x
    x = 343,941,322,121.03/675,150.74
  6. Step 6: Final answer
    x = 509,428.93

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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.