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Finding the Fourth Proportional to 634,717.08, 875,880.54 and 348,231.24

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Solution

The fourth proportional to 634,717.08, 875,880.54 and 348,231.24 is: 480,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,717.08 : 875,880.54 = 348,231.24 : x
  2. Step 2: Convert to fraction form
    634,717.08/875,880.54 = 348,231.24/x
  3. Step 3: Cross multiply
    634,717.08x = 875,880.54 × 348,231.24
  4. Step 4: Simplify right side
    634,717.08x = 305,008,966,536.07
  5. Step 5: Solve for x
    x = 305,008,966,536.07/634,717.08
  6. Step 6: Final answer
    x = 480,543.18

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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.