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Finding the Fourth Proportional to 634,465.32, 951,396.66 and 368,307.48

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Solution

The fourth proportional to 634,465.32, 951,396.66 and 368,307.48 is: 552,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,465.32 : 951,396.66 = 368,307.48 : x
  2. Step 2: Convert to fraction form
    634,465.32/951,396.66 = 368,307.48/x
  3. Step 3: Cross multiply
    634,465.32x = 951,396.66 × 368,307.48
  4. Step 4: Simplify right side
    634,465.32x = 350,406,506,325.02
  5. Step 5: Solve for x
    x = 350,406,506,325.02/634,465.32
  6. Step 6: Final answer
    x = 552,286.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.