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Finding the Fourth Proportional to 273,420.40, 410,130.60 and 153,354.10

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Solution

The fourth proportional to 273,420.40, 410,130.60 and 153,354.10 is: 230,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,420.40 : 410,130.60 = 153,354.10 : x
  2. Step 2: Convert to fraction form
    273,420.40/410,130.60 = 153,354.10/x
  3. Step 3: Cross multiply
    273,420.40x = 410,130.60 × 153,354.10
  4. Step 4: Simplify right side
    273,420.40x = 62,895,209,045.46
  5. Step 5: Solve for x
    x = 62,895,209,045.46/273,420.40
  6. Step 6: Final answer
    x = 230,031.15

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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.