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Finding the Fourth Proportional to 474,045.10, 710,030.85 and 368,032.30

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Solution

The fourth proportional to 474,045.10, 710,030.85 and 368,032.30 is: 551,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,045.10 : 710,030.85 = 368,032.30 : x
  2. Step 2: Convert to fraction form
    474,045.10/710,030.85 = 368,032.30/x
  3. Step 3: Cross multiply
    474,045.10x = 710,030.85 × 368,032.30
  4. Step 4: Simplify right side
    474,045.10x = 261,314,286,796.46
  5. Step 5: Solve for x
    x = 261,314,286,796.46/474,045.10
  6. Step 6: Final answer
    x = 551,243.51

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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.