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Finding the Fourth Proportional to 365,666.04, 548,431.80 and 165,938.40

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Solution

The fourth proportional to 365,666.04, 548,431.80 and 165,938.40 is: 248,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,666.04 : 548,431.80 = 165,938.40 : x
  2. Step 2: Convert to fraction form
    365,666.04/548,431.80 = 165,938.40/x
  3. Step 3: Cross multiply
    365,666.04x = 548,431.80 × 165,938.40
  4. Step 4: Simplify right side
    365,666.04x = 91,005,895,401.12
  5. Step 5: Solve for x
    x = 91,005,895,401.12/365,666.04
  6. Step 6: Final answer
    x = 248,877.08

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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.