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Finding the Fourth Proportional to 519,378.16, 716,760.48 and 301,570.52

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Solution

The fourth proportional to 519,378.16, 716,760.48 and 301,570.52 is: 416,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,378.16 : 716,760.48 = 301,570.52 : x
  2. Step 2: Convert to fraction form
    519,378.16/716,760.48 = 301,570.52/x
  3. Step 3: Cross multiply
    519,378.16x = 716,760.48 × 301,570.52
  4. Step 4: Simplify right side
    519,378.16x = 216,153,830,669.05
  5. Step 5: Solve for x
    x = 216,153,830,669.05/519,378.16
  6. Step 6: Final answer
    x = 416,178.13

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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.