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Finding the Fourth Proportional to 702,917.04, 970,030.18 and 380,627.14

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Solution

The fourth proportional to 702,917.04, 970,030.18 and 380,627.14 is: 525,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,917.04 : 970,030.18 = 380,627.14 : x
  2. Step 2: Convert to fraction form
    702,917.04/970,030.18 = 380,627.14/x
  3. Step 3: Cross multiply
    702,917.04x = 970,030.18 × 380,627.14
  4. Step 4: Simplify right side
    702,917.04x = 369,219,813,127.09
  5. Step 5: Solve for x
    x = 369,219,813,127.09/702,917.04
  6. Step 6: Final answer
    x = 525,267.98

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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.