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Finding the Fourth Proportional to 425,303.16, 586,796.58 and 253,077.18

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Solution

The fourth proportional to 425,303.16, 586,796.58 and 253,077.18 is: 349,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,303.16 : 586,796.58 = 253,077.18 : x
  2. Step 2: Convert to fraction form
    425,303.16/586,796.58 = 253,077.18/x
  3. Step 3: Cross multiply
    425,303.16x = 586,796.58 × 253,077.18
  4. Step 4: Simplify right side
    425,303.16x = 148,504,823,700.04
  5. Step 5: Solve for x
    x = 148,504,823,700.04/425,303.16
  6. Step 6: Final answer
    x = 349,174.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.