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Finding the Fourth Proportional to 1,718,635.32, 2,575,509.06 and 1,265,795.10

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Solution

The fourth proportional to 1,718,635.32, 2,575,509.06 and 1,265,795.10 is: 1,896,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,635.32 : 2,575,509.06 = 1,265,795.10 : x
  2. Step 2: Convert to fraction form
    1,718,635.32/2,575,509.06 = 1,265,795.10/x
  3. Step 3: Cross multiply
    1,718,635.32x = 2,575,509.06 × 1,265,795.10
  4. Step 4: Simplify right side
    1,718,635.32x = 3,260,066,748,153.61
  5. Step 5: Solve for x
    x = 3,260,066,748,153.61/1,718,635.32
  6. Step 6: Final answer
    x = 1,896,892.67

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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.