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Finding the Fourth Proportional to 634,502.24, 875,637.60 and 348,034.40

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Solution

The fourth proportional to 634,502.24, 875,637.60 and 348,034.40 is: 480,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,502.24 : 875,637.60 = 348,034.40 : x
  2. Step 2: Convert to fraction form
    634,502.24/875,637.60 = 348,034.40/x
  3. Step 3: Cross multiply
    634,502.24x = 875,637.60 × 348,034.40
  4. Step 4: Simplify right side
    634,502.24x = 304,752,006,733.44
  5. Step 5: Solve for x
    x = 304,752,006,733.44/634,502.24
  6. Step 6: Final answer
    x = 480,300.92

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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.