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Finding the Fourth Proportional to 1,088,842, 1,502,530.80 and 605,389.30

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Solution

The fourth proportional to 1,088,842, 1,502,530.80 and 605,389.30 is: 835,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,842 : 1,502,530.80 = 605,389.30 : x
  2. Step 2: Convert to fraction form
    1,088,842/1,502,530.80 = 605,389.30/x
  3. Step 3: Cross multiply
    1,088,842x = 1,502,530.80 × 605,389.30
  4. Step 4: Simplify right side
    1,088,842x = 909,616,069,240.44
  5. Step 5: Solve for x
    x = 909,616,069,240.44/1,088,842
  6. Step 6: Final answer
    x = 835,397.67

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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.