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Finding the Fourth Proportional to 2,999,968.35, 4,500,419.98 and 977,743.08

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Solution

The fourth proportional to 2,999,968.35, 4,500,419.98 and 977,743.08 is: 1,466,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,968.35 : 4,500,419.98 = 977,743.08 : x
  2. Step 2: Convert to fraction form
    2,999,968.35/4,500,419.98 = 977,743.08/x
  3. Step 3: Cross multiply
    2,999,968.35x = 4,500,419.98 × 977,743.08
  4. Step 4: Simplify right side
    2,999,968.35x = 4,400,254,492,538.74
  5. Step 5: Solve for x
    x = 4,400,254,492,538.74/2,999,968.35
  6. Step 6: Final answer
    x = 1,466,766.97

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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.