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Finding the Fourth Proportional to 826,403.60, 1,237,272.60 and 803,075.60

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Solution

The fourth proportional to 826,403.60, 1,237,272.60 and 803,075.60 is: 1,202,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,403.60 : 1,237,272.60 = 803,075.60 : x
  2. Step 2: Convert to fraction form
    826,403.60/1,237,272.60 = 803,075.60/x
  3. Step 3: Cross multiply
    826,403.60x = 1,237,272.60 × 803,075.60
  4. Step 4: Simplify right side
    826,403.60x = 993,623,435,608.56
  5. Step 5: Solve for x
    x = 993,623,435,608.56/826,403.60
  6. Step 6: Final answer
    x = 1,202,346.45

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1.5x scale

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.