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Finding the Fourth Proportional to 472,192.94, 651,607.25 and 257,328.39

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Solution

The fourth proportional to 472,192.94, 651,607.25 and 257,328.39 is: 355,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,192.94 : 651,607.25 = 257,328.39 : x
  2. Step 2: Convert to fraction form
    472,192.94/651,607.25 = 257,328.39/x
  3. Step 3: Cross multiply
    472,192.94x = 651,607.25 × 257,328.39
  4. Step 4: Simplify right side
    472,192.94x = 167,677,045,711.71
  5. Step 5: Solve for x
    x = 167,677,045,711.71/472,192.94
  6. Step 6: Final answer
    x = 355,102.82

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1.5x scale

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.