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Finding the Fourth Proportional to 364,032.20, 546,048.30 and 153,907.40

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Solution

The fourth proportional to 364,032.20, 546,048.30 and 153,907.40 is: 230,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,032.20 : 546,048.30 = 153,907.40 : x
  2. Step 2: Convert to fraction form
    364,032.20/546,048.30 = 153,907.40/x
  3. Step 3: Cross multiply
    364,032.20x = 546,048.30 × 153,907.40
  4. Step 4: Simplify right side
    364,032.20x = 84,040,874,127.42
  5. Step 5: Solve for x
    x = 84,040,874,127.42/364,032.20
  6. Step 6: Final answer
    x = 230,861.10

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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.