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Finding the Fourth Proportional to 677,954.04, 935,573.58 and 376,147.32

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Solution

The fourth proportional to 677,954.04, 935,573.58 and 376,147.32 is: 519,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,954.04 : 935,573.58 = 376,147.32 : x
  2. Step 2: Convert to fraction form
    677,954.04/935,573.58 = 376,147.32/x
  3. Step 3: Cross multiply
    677,954.04x = 935,573.58 × 376,147.32
  4. Step 4: Simplify right side
    677,954.04x = 351,913,494,779.81
  5. Step 5: Solve for x
    x = 351,913,494,779.81/677,954.04
  6. Step 6: Final answer
    x = 519,081.64

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Double scale
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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.