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Finding the Fourth Proportional to 434,071.95, 651,830.45 and 292,826.31

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Solution

The fourth proportional to 434,071.95, 651,830.45 and 292,826.31 is: 439,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,071.95 : 651,830.45 = 292,826.31 : x
  2. Step 2: Convert to fraction form
    434,071.95/651,830.45 = 292,826.31/x
  3. Step 3: Cross multiply
    434,071.95x = 651,830.45 × 292,826.31
  4. Step 4: Simplify right side
    434,071.95x = 190,873,103,955.01
  5. Step 5: Solve for x
    x = 190,873,103,955.01/434,071.95
  6. Step 6: Final answer
    x = 439,726.88

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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.