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Finding the Fourth Proportional to 535,345.16, 803,184.06 and 322,347.56

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Solution

The fourth proportional to 535,345.16, 803,184.06 and 322,347.56 is: 483,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,345.16 : 803,184.06 = 322,347.56 : x
  2. Step 2: Convert to fraction form
    535,345.16/803,184.06 = 322,347.56/x
  3. Step 3: Cross multiply
    535,345.16x = 803,184.06 × 322,347.56
  4. Step 4: Simplify right side
    535,345.16x = 258,904,421,971.89
  5. Step 5: Solve for x
    x = 258,904,421,971.89/535,345.16
  6. Step 6: Final answer
    x = 483,621.49

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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.