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Finding the Fourth Proportional to 553,621.35, 828,955.80 and 553,621.35

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Solution

The fourth proportional to 553,621.35, 828,955.80 and 553,621.35 is: 828,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,621.35 : 828,955.80 = 553,621.35 : x
  2. Step 2: Convert to fraction form
    553,621.35/828,955.80 = 553,621.35/x
  3. Step 3: Cross multiply
    553,621.35x = 828,955.80 × 553,621.35
  4. Step 4: Simplify right side
    553,621.35x = 458,927,629,086.33
  5. Step 5: Solve for x
    x = 458,927,629,086.33/553,621.35
  6. Step 6: Final answer
    x = 828,955.80

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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.