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Finding the Fourth Proportional to 634,442.88, 875,450.46 and 362,528.40

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Solution

The fourth proportional to 634,442.88, 875,450.46 and 362,528.40 is: 500,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,442.88 : 875,450.46 = 362,528.40 : x
  2. Step 2: Convert to fraction form
    634,442.88/875,450.46 = 362,528.40/x
  3. Step 3: Cross multiply
    634,442.88x = 875,450.46 × 362,528.40
  4. Step 4: Simplify right side
    634,442.88x = 317,375,654,543.06
  5. Step 5: Solve for x
    x = 317,375,654,543.06/634,442.88
  6. Step 6: Final answer
    x = 500,243.07

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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.