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Finding the Fourth Proportional to 575,829.65, 794,639.38 and 317,708.67

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Solution

The fourth proportional to 575,829.65, 794,639.38 and 317,708.67 is: 438,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,829.65 : 794,639.38 = 317,708.67 : x
  2. Step 2: Convert to fraction form
    575,829.65/794,639.38 = 317,708.67/x
  3. Step 3: Cross multiply
    575,829.65x = 794,639.38 × 317,708.67
  4. Step 4: Simplify right side
    575,829.65x = 252,463,820,549.43
  5. Step 5: Solve for x
    x = 252,463,820,549.43/575,829.65
  6. Step 6: Final answer
    x = 438,434.91

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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.