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Finding the Fourth Proportional to 1,854,962.88, 2,559,775.68 and 1,050,146.88

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Solution

The fourth proportional to 1,854,962.88, 2,559,775.68 and 1,050,146.88 is: 1,449,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,962.88 : 2,559,775.68 = 1,050,146.88 : x
  2. Step 2: Convert to fraction form
    1,854,962.88/2,559,775.68 = 1,050,146.88/x
  3. Step 3: Cross multiply
    1,854,962.88x = 2,559,775.68 × 1,050,146.88
  4. Step 4: Simplify right side
    1,854,962.88x = 2,688,140,443,851.88
  5. Step 5: Solve for x
    x = 2,688,140,443,851.88/1,854,962.88
  6. Step 6: Final answer
    x = 1,449,161.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.