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Finding the Fourth Proportional to 374,406.10, 561,609.15 and 164,454.10

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Solution

The fourth proportional to 374,406.10, 561,609.15 and 164,454.10 is: 246,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,406.10 : 561,609.15 = 164,454.10 : x
  2. Step 2: Convert to fraction form
    374,406.10/561,609.15 = 164,454.10/x
  3. Step 3: Cross multiply
    374,406.10x = 561,609.15 × 164,454.10
  4. Step 4: Simplify right side
    374,406.10x = 92,358,927,315.02
  5. Step 5: Solve for x
    x = 92,358,927,315.02/374,406.10
  6. Step 6: Final answer
    x = 246,681.15

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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.