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Finding the Fourth Proportional to 292,535.04, 438,802.48 and 70,919.04

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Solution

The fourth proportional to 292,535.04, 438,802.48 and 70,919.04 is: 106,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,535.04 : 438,802.48 = 70,919.04 : x
  2. Step 2: Convert to fraction form
    292,535.04/438,802.48 = 70,919.04/x
  3. Step 3: Cross multiply
    292,535.04x = 438,802.48 × 70,919.04
  4. Step 4: Simplify right side
    292,535.04x = 31,119,450,631.22
  5. Step 5: Solve for x
    x = 31,119,450,631.22/292,535.04
  6. Step 6: Final answer
    x = 106,378.54

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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.