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Finding the Fourth Proportional to 2,865,855.76, 4,298,643.16 and 1,068,598.68

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Solution

The fourth proportional to 2,865,855.76, 4,298,643.16 and 1,068,598.68 is: 1,602,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,855.76 : 4,298,643.16 = 1,068,598.68 : x
  2. Step 2: Convert to fraction form
    2,865,855.76/4,298,643.16 = 1,068,598.68/x
  3. Step 3: Cross multiply
    2,865,855.76x = 4,298,643.16 × 1,068,598.68
  4. Step 4: Simplify right side
    2,865,855.76x = 4,593,524,406,567.03
  5. Step 5: Solve for x
    x = 4,593,524,406,567.03/2,865,855.76
  6. Step 6: Final answer
    x = 1,602,845.64

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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.