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Finding the Fourth Proportional to 289,886.53, 400,047.51 and 175,149.22

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Solution

The fourth proportional to 289,886.53, 400,047.51 and 175,149.22 is: 241,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,886.53 : 400,047.51 = 175,149.22 : x
  2. Step 2: Convert to fraction form
    289,886.53/400,047.51 = 175,149.22/x
  3. Step 3: Cross multiply
    289,886.53x = 400,047.51 × 175,149.22
  4. Step 4: Simplify right side
    289,886.53x = 70,068,009,339.44
  5. Step 5: Solve for x
    x = 70,068,009,339.44/289,886.53
  6. Step 6: Final answer
    x = 241,708.40

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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.