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Finding the Fourth Proportional to 472,030.20, 708,045.30 and 304,068.60

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Solution

The fourth proportional to 472,030.20, 708,045.30 and 304,068.60 is: 456,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,030.20 : 708,045.30 = 304,068.60 : x
  2. Step 2: Convert to fraction form
    472,030.20/708,045.30 = 304,068.60/x
  3. Step 3: Cross multiply
    472,030.20x = 708,045.30 × 304,068.60
  4. Step 4: Simplify right side
    472,030.20x = 215,294,343,107.58
  5. Step 5: Solve for x
    x = 215,294,343,107.58/472,030.20
  6. Step 6: Final answer
    x = 456,102.90

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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.