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Finding the Fourth Proportional to 595,303.96, 820,017.30 and 480,260.48

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Solution

The fourth proportional to 595,303.96, 820,017.30 and 480,260.48 is: 661,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,303.96 : 820,017.30 = 480,260.48 : x
  2. Step 2: Convert to fraction form
    595,303.96/820,017.30 = 480,260.48/x
  3. Step 3: Cross multiply
    595,303.96x = 820,017.30 × 480,260.48
  4. Step 4: Simplify right side
    595,303.96x = 393,821,902,882.26
  5. Step 5: Solve for x
    x = 393,821,902,882.26/595,303.96
  6. Step 6: Final answer
    x = 661,547.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.