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Finding the Fourth Proportional to 365,798.70, 547,920.45 and 303,590.70

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Solution

The fourth proportional to 365,798.70, 547,920.45 and 303,590.70 is: 454,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,798.70 : 547,920.45 = 303,590.70 : x
  2. Step 2: Convert to fraction form
    365,798.70/547,920.45 = 303,590.70/x
  3. Step 3: Cross multiply
    365,798.70x = 547,920.45 × 303,590.70
  4. Step 4: Simplify right side
    365,798.70x = 166,343,552,959.82
  5. Step 5: Solve for x
    x = 166,343,552,959.82/365,798.70
  6. Step 6: Final answer
    x = 454,740.69

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1.5x scale

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.