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Finding the Fourth Proportional to 1,849,721.22, 2,774,804.16 and 651,395.88

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Solution

The fourth proportional to 1,849,721.22, 2,774,804.16 and 651,395.88 is: 977,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,721.22 : 2,774,804.16 = 651,395.88 : x
  2. Step 2: Convert to fraction form
    1,849,721.22/2,774,804.16 = 651,395.88/x
  3. Step 3: Cross multiply
    1,849,721.22x = 2,774,804.16 × 651,395.88
  4. Step 4: Simplify right side
    1,849,721.22x = 1,807,495,997,630.86
  5. Step 5: Solve for x
    x = 1,807,495,997,630.86/1,849,721.22
  6. Step 6: Final answer
    x = 977,172.12

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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.