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Finding the Fourth Proportional to 882,195.20, 1,232,410 and 882,195.20

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Solution

The fourth proportional to 882,195.20, 1,232,410 and 882,195.20 is: 1,232,410

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,195.20 : 1,232,410 = 882,195.20 : x
  2. Step 2: Convert to fraction form
    882,195.20/1,232,410 = 882,195.20/x
  3. Step 3: Cross multiply
    882,195.20x = 1,232,410 × 882,195.20
  4. Step 4: Simplify right side
    882,195.20x = 1,087,226,186,432
  5. Step 5: Solve for x
    x = 1,087,226,186,432/882,195.20
  6. Step 6: Final answer
    x = 1,232,410

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.