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Finding the Fourth Proportional to 554,025.60, 830,795.40 and 254,406.60

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Solution

The fourth proportional to 554,025.60, 830,795.40 and 254,406.60 is: 381,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,025.60 : 830,795.40 = 254,406.60 : x
  2. Step 2: Convert to fraction form
    554,025.60/830,795.40 = 254,406.60/x
  3. Step 3: Cross multiply
    554,025.60x = 830,795.40 × 254,406.60
  4. Step 4: Simplify right side
    554,025.60x = 211,359,833,009.64
  5. Step 5: Solve for x
    x = 211,359,833,009.64/554,025.60
  6. Step 6: Final answer
    x = 381,498.32

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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.