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Finding the Fourth Proportional to 553,313.40, 828,803.70 and 553,313.40

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Solution

The fourth proportional to 553,313.40, 828,803.70 and 553,313.40 is: 828,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,313.40 : 828,803.70 = 553,313.40 : x
  2. Step 2: Convert to fraction form
    553,313.40/828,803.70 = 553,313.40/x
  3. Step 3: Cross multiply
    553,313.40x = 828,803.70 × 553,313.40
  4. Step 4: Simplify right side
    553,313.40x = 458,588,193,179.58
  5. Step 5: Solve for x
    x = 458,588,193,179.58/553,313.40
  6. Step 6: Final answer
    x = 828,803.70

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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.