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Finding the Fourth Proportional to 493,670.30, 740,505.45 and 493,670.30

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Solution

The fourth proportional to 493,670.30, 740,505.45 and 493,670.30 is: 740,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,670.30 : 740,505.45 = 493,670.30 : x
  2. Step 2: Convert to fraction form
    493,670.30/740,505.45 = 493,670.30/x
  3. Step 3: Cross multiply
    493,670.30x = 740,505.45 × 493,670.30
  4. Step 4: Simplify right side
    493,670.30x = 365,565,547,653.14
  5. Step 5: Solve for x
    x = 365,565,547,653.14/493,670.30
  6. Step 6: Final answer
    x = 740,505.45

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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.