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Finding the Fourth Proportional to 984,526, 1,358,646.60 and 531,817

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Solution

The fourth proportional to 984,526, 1,358,646.60 and 531,817 is: 733,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,526 : 1,358,646.60 = 531,817 : x
  2. Step 2: Convert to fraction form
    984,526/1,358,646.60 = 531,817/x
  3. Step 3: Cross multiply
    984,526x = 1,358,646.60 × 531,817
  4. Step 4: Simplify right side
    984,526x = 722,551,358,872.20
  5. Step 5: Solve for x
    x = 722,551,358,872.20/984,526
  6. Step 6: Final answer
    x = 733,907.85

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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.