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Finding the Fourth Proportional to 675,055.62, 931,137.84 and 432,954.72

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Solution

The fourth proportional to 675,055.62, 931,137.84 and 432,954.72 is: 597,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,055.62 : 931,137.84 = 432,954.72 : x
  2. Step 2: Convert to fraction form
    675,055.62/931,137.84 = 432,954.72/x
  3. Step 3: Cross multiply
    675,055.62x = 931,137.84 × 432,954.72
  4. Step 4: Simplify right side
    675,055.62x = 403,140,522,798.61
  5. Step 5: Solve for x
    x = 403,140,522,798.61/675,055.62
  6. Step 6: Final answer
    x = 597,196.01

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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.