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Finding the Fourth Proportional to 908,847.60, 1,254,303 and 546,389.52

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Solution

The fourth proportional to 908,847.60, 1,254,303 and 546,389.52 is: 754,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,847.60 : 1,254,303 = 546,389.52 : x
  2. Step 2: Convert to fraction form
    908,847.60/1,254,303 = 546,389.52/x
  3. Step 3: Cross multiply
    908,847.60x = 1,254,303 × 546,389.52
  4. Step 4: Simplify right side
    908,847.60x = 685,338,014,104.56
  5. Step 5: Solve for x
    x = 685,338,014,104.56/908,847.60
  6. Step 6: Final answer
    x = 754,073.64

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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.