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Finding the Fourth Proportional to 472,465.70, 708,698.55 and 417,353.30

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Solution

The fourth proportional to 472,465.70, 708,698.55 and 417,353.30 is: 626,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,465.70 : 708,698.55 = 417,353.30 : x
  2. Step 2: Convert to fraction form
    472,465.70/708,698.55 = 417,353.30/x
  3. Step 3: Cross multiply
    472,465.70x = 708,698.55 × 417,353.30
  4. Step 4: Simplify right side
    472,465.70x = 295,777,678,547.72
  5. Step 5: Solve for x
    x = 295,777,678,547.72/472,465.70
  6. Step 6: Final answer
    x = 626,029.95

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Similar ratio
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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.