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Finding the Fourth Proportional to 1,265,541.60, 1,895,547.60 and 982,840.80

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Solution

The fourth proportional to 1,265,541.60, 1,895,547.60 and 982,840.80 is: 1,472,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,541.60 : 1,895,547.60 = 982,840.80 : x
  2. Step 2: Convert to fraction form
    1,265,541.60/1,895,547.60 = 982,840.80/x
  3. Step 3: Cross multiply
    1,265,541.60x = 1,895,547.60 × 982,840.80
  4. Step 4: Simplify right side
    1,265,541.60x = 1,863,021,519,622.08
  5. Step 5: Solve for x
    x = 1,863,021,519,622.08/1,265,541.60
  6. Step 6: Final answer
    x = 1,472,114.01

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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.