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Finding the Fourth Proportional to 1,026.68, 1,416.95 and 584.74

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Solution

The fourth proportional to 1,026.68, 1,416.95 and 584.74 is: 807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.68 : 1,416.95 = 584.74 : x
  2. Step 2: Convert to fraction form
    1,026.68/1,416.95 = 584.74/x
  3. Step 3: Cross multiply
    1,026.68x = 1,416.95 × 584.74
  4. Step 4: Simplify right side
    1,026.68x = 828,547.34
  5. Step 5: Solve for x
    x = 828,547.34/1,026.68
  6. Step 6: Final answer
    x = 807.02

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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.