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Finding the Fourth Proportional to 340,870.68, 470,307.06 and 220,017.06

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Solution

The fourth proportional to 340,870.68, 470,307.06 and 220,017.06 is: 303,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,870.68 : 470,307.06 = 220,017.06 : x
  2. Step 2: Convert to fraction form
    340,870.68/470,307.06 = 220,017.06/x
  3. Step 3: Cross multiply
    340,870.68x = 470,307.06 × 220,017.06
  4. Step 4: Simplify right side
    340,870.68x = 103,475,576,638.44
  5. Step 5: Solve for x
    x = 103,475,576,638.44/340,870.68
  6. Step 6: Final answer
    x = 303,562.56

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1.5x scale

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.