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Finding the Fourth Proportional to 582,547.04, 803,863.64 and 324,404.48

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Solution

The fourth proportional to 582,547.04, 803,863.64 and 324,404.48 is: 447,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,547.04 : 803,863.64 = 324,404.48 : x
  2. Step 2: Convert to fraction form
    582,547.04/803,863.64 = 324,404.48/x
  3. Step 3: Cross multiply
    582,547.04x = 803,863.64 × 324,404.48
  4. Step 4: Simplify right side
    582,547.04x = 260,776,966,125.11
  5. Step 5: Solve for x
    x = 260,776,966,125.11/582,547.04
  6. Step 6: Final answer
    x = 447,649.63

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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.