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Finding the Fourth Proportional to 599,271.40, 897,766.62 and 318,920.68

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Solution

The fourth proportional to 599,271.40, 897,766.62 and 318,920.68 is: 477,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,271.40 : 897,766.62 = 318,920.68 : x
  2. Step 2: Convert to fraction form
    599,271.40/897,766.62 = 318,920.68/x
  3. Step 3: Cross multiply
    599,271.40x = 897,766.62 × 318,920.68
  4. Step 4: Simplify right side
    599,271.40x = 286,316,340,931.70
  5. Step 5: Solve for x
    x = 286,316,340,931.70/599,271.40
  6. Step 6: Final answer
    x = 477,774.08

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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.