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Finding the Fourth Proportional to 1,734,740.92, 2,602,353.30 and 788,349.88

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Solution

The fourth proportional to 1,734,740.92, 2,602,353.30 and 788,349.88 is: 1,182,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,740.92 : 2,602,353.30 = 788,349.88 : x
  2. Step 2: Convert to fraction form
    1,734,740.92/2,602,353.30 = 788,349.88/x
  3. Step 3: Cross multiply
    1,734,740.92x = 2,602,353.30 × 788,349.88
  4. Step 4: Simplify right side
    1,734,740.92x = 2,051,564,911,772.60
  5. Step 5: Solve for x
    x = 2,051,564,911,772.60/1,734,740.92
  6. Step 6: Final answer
    x = 1,182,634.76

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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.