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Finding the Fourth Proportional to 602,169.81, 903,406.59 and 425,022.81

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Solution

The fourth proportional to 602,169.81, 903,406.59 and 425,022.81 is: 637,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,169.81 : 903,406.59 = 425,022.81 : x
  2. Step 2: Convert to fraction form
    602,169.81/903,406.59 = 425,022.81/x
  3. Step 3: Cross multiply
    602,169.81x = 903,406.59 × 425,022.81
  4. Step 4: Simplify right side
    602,169.81x = 383,968,407,454.32
  5. Step 5: Solve for x
    x = 383,968,407,454.32/602,169.81
  6. Step 6: Final answer
    x = 637,641.41

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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.