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Finding the Fourth Proportional to 375,666.07, 518,256.26 and 248,518.75

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Solution

The fourth proportional to 375,666.07, 518,256.26 and 248,518.75 is: 342,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,666.07 : 518,256.26 = 248,518.75 : x
  2. Step 2: Convert to fraction form
    375,666.07/518,256.26 = 248,518.75/x
  3. Step 3: Cross multiply
    375,666.07x = 518,256.26 × 248,518.75
  4. Step 4: Simplify right side
    375,666.07x = 128,796,395,323.59
  5. Step 5: Solve for x
    x = 128,796,395,323.59/375,666.07
  6. Step 6: Final answer
    x = 342,848.10

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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.