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Finding the Fourth Proportional to 675,095.93, 931,618.28 and 369,168.85

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Solution

The fourth proportional to 675,095.93, 931,618.28 and 369,168.85 is: 509,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,095.93 : 931,618.28 = 369,168.85 : x
  2. Step 2: Convert to fraction form
    675,095.93/931,618.28 = 369,168.85/x
  3. Step 3: Cross multiply
    675,095.93x = 931,618.28 × 369,168.85
  4. Step 4: Simplify right side
    675,095.93x = 343,924,447,660.45
  5. Step 5: Solve for x
    x = 343,924,447,660.45/675,095.93
  6. Step 6: Final answer
    x = 509,445.30

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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.