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Finding the Fourth Proportional to 535,340.16, 803,176.56 and 322,342.56

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Solution

The fourth proportional to 535,340.16, 803,176.56 and 322,342.56 is: 483,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,340.16 : 803,176.56 = 322,342.56 : x
  2. Step 2: Convert to fraction form
    535,340.16/803,176.56 = 322,342.56/x
  3. Step 3: Cross multiply
    535,340.16x = 803,176.56 × 322,342.56
  4. Step 4: Simplify right side
    535,340.16x = 258,897,988,482.39
  5. Step 5: Solve for x
    x = 258,897,988,482.39/535,340.16
  6. Step 6: Final answer
    x = 483,613.99

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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.