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Finding the Fourth Proportional to 567,325.40, 849,821.70 and 390,032.60

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Solution

The fourth proportional to 567,325.40, 849,821.70 and 390,032.60 is: 584,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,325.40 : 849,821.70 = 390,032.60 : x
  2. Step 2: Convert to fraction form
    567,325.40/849,821.70 = 390,032.60/x
  3. Step 3: Cross multiply
    567,325.40x = 849,821.70 × 390,032.60
  4. Step 4: Simplify right side
    567,325.40x = 331,458,167,187.42
  5. Step 5: Solve for x
    x = 331,458,167,187.42/567,325.40
  6. Step 6: Final answer
    x = 584,247.01

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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.