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Finding the Fourth Proportional to 529,095.66, 793,639.17 and 213,547.74

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Solution

The fourth proportional to 529,095.66, 793,639.17 and 213,547.74 is: 320,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,095.66 : 793,639.17 = 213,547.74 : x
  2. Step 2: Convert to fraction form
    529,095.66/793,639.17 = 213,547.74/x
  3. Step 3: Cross multiply
    529,095.66x = 793,639.17 × 213,547.74
  4. Step 4: Simplify right side
    529,095.66x = 169,479,851,128.98
  5. Step 5: Solve for x
    x = 169,479,851,128.98/529,095.66
  6. Step 6: Final answer
    x = 320,319.87

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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.