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Finding the Fourth Proportional to 295,792.80, 443,386.80 and 145,802.40

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Solution

The fourth proportional to 295,792.80, 443,386.80 and 145,802.40 is: 218,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,792.80 : 443,386.80 = 145,802.40 : x
  2. Step 2: Convert to fraction form
    295,792.80/443,386.80 = 145,802.40/x
  3. Step 3: Cross multiply
    295,792.80x = 443,386.80 × 145,802.40
  4. Step 4: Simplify right side
    295,792.80x = 64,646,859,568.32
  5. Step 5: Solve for x
    x = 64,646,859,568.32/295,792.80
  6. Step 6: Final answer
    x = 218,554.54

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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.