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Finding the Fourth Proportional to 627,586.80, 866,075.04 and 341,106.81

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Solution

The fourth proportional to 627,586.80, 866,075.04 and 341,106.81 is: 470,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,586.80 : 866,075.04 = 341,106.81 : x
  2. Step 2: Convert to fraction form
    627,586.80/866,075.04 = 341,106.81/x
  3. Step 3: Cross multiply
    627,586.80x = 866,075.04 × 341,106.81
  4. Step 4: Simplify right side
    627,586.80x = 295,424,094,115.02
  5. Step 5: Solve for x
    x = 295,424,094,115.02/627,586.80
  6. Step 6: Final answer
    x = 470,730.25

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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.