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Finding the Fourth Proportional to 1,696,788.95, 2,341,508.92 and 932,836.64

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Solution

The fourth proportional to 1,696,788.95, 2,341,508.92 and 932,836.64 is: 1,287,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,788.95 : 2,341,508.92 = 932,836.64 : x
  2. Step 2: Convert to fraction form
    1,696,788.95/2,341,508.92 = 932,836.64/x
  3. Step 3: Cross multiply
    1,696,788.95x = 2,341,508.92 × 932,836.64
  4. Step 4: Simplify right side
    1,696,788.95x = 2,184,245,299,423.19
  5. Step 5: Solve for x
    x = 2,184,245,299,423.19/1,696,788.95
  6. Step 6: Final answer
    x = 1,287,281.67

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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.