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Finding the Fourth Proportional to 671,746.93, 926,968.75 and 369,940.93

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Solution

The fourth proportional to 671,746.93, 926,968.75 and 369,940.93 is: 510,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,746.93 : 926,968.75 = 369,940.93 : x
  2. Step 2: Convert to fraction form
    671,746.93/926,968.75 = 369,940.93/x
  3. Step 3: Cross multiply
    671,746.93x = 926,968.75 × 369,940.93
  4. Step 4: Simplify right side
    671,746.93x = 342,923,678,213.66
  5. Step 5: Solve for x
    x = 342,923,678,213.66/671,746.93
  6. Step 6: Final answer
    x = 510,495.34

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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.