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Finding the Fourth Proportional to 634,034.01, 874,966.95 and 347,547.95

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Solution

The fourth proportional to 634,034.01, 874,966.95 and 347,547.95 is: 479,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,034.01 : 874,966.95 = 347,547.95 : x
  2. Step 2: Convert to fraction form
    634,034.01/874,966.95 = 347,547.95/x
  3. Step 3: Cross multiply
    634,034.01x = 874,966.95 × 347,547.95
  4. Step 4: Simplify right side
    634,034.01x = 304,092,969,790.25
  5. Step 5: Solve for x
    x = 304,092,969,790.25/634,034.01
  6. Step 6: Final answer
    x = 479,616.18

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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.