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Finding the Fourth Proportional to 607,530.30, 910,858.05 and 341,372.40

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Solution

The fourth proportional to 607,530.30, 910,858.05 and 341,372.40 is: 511,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,530.30 : 910,858.05 = 341,372.40 : x
  2. Step 2: Convert to fraction form
    607,530.30/910,858.05 = 341,372.40/x
  3. Step 3: Cross multiply
    607,530.30x = 910,858.05 × 341,372.40
  4. Step 4: Simplify right side
    607,530.30x = 310,941,798,587.82
  5. Step 5: Solve for x
    x = 310,941,798,587.82/607,530.30
  6. Step 6: Final answer
    x = 511,812.82

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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.