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Finding the Fourth Proportional to 407,117.70, 610,676.55 and 362,016.90

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Solution

The fourth proportional to 407,117.70, 610,676.55 and 362,016.90 is: 543,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,117.70 : 610,676.55 = 362,016.90 : x
  2. Step 2: Convert to fraction form
    407,117.70/610,676.55 = 362,016.90/x
  3. Step 3: Cross multiply
    407,117.70x = 610,676.55 × 362,016.90
  4. Step 4: Simplify right side
    407,117.70x = 221,075,231,533.70
  5. Step 5: Solve for x
    x = 221,075,231,533.70/407,117.70
  6. Step 6: Final answer
    x = 543,025.35

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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.