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Finding the Fourth Proportional to 829,597.10, 1,244,878.61 and 349,794.81

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Solution

The fourth proportional to 829,597.10, 1,244,878.61 and 349,794.81 is: 524,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,597.10 : 1,244,878.61 = 349,794.81 : x
  2. Step 2: Convert to fraction form
    829,597.10/1,244,878.61 = 349,794.81/x
  3. Step 3: Cross multiply
    829,597.10x = 1,244,878.61 × 349,794.81
  4. Step 4: Simplify right side
    829,597.10x = 435,452,075,109.04
  5. Step 5: Solve for x
    x = 435,452,075,109.04/829,597.10
  6. Step 6: Final answer
    x = 524,895.85

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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.