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Finding the Fourth Proportional to 472,312.41, 651,797.95 and 257,452.51

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Solution

The fourth proportional to 472,312.41, 651,797.95 and 257,452.51 is: 355,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,312.41 : 651,797.95 = 257,452.51 : x
  2. Step 2: Convert to fraction form
    472,312.41/651,797.95 = 257,452.51/x
  3. Step 3: Cross multiply
    472,312.41x = 651,797.95 × 257,452.51
  4. Step 4: Simplify right side
    472,312.41x = 167,807,018,240.36
  5. Step 5: Solve for x
    x = 167,807,018,240.36/472,312.41
  6. Step 6: Final answer
    x = 355,288.18

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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.