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Finding the Fourth Proportional to 375,488.16, 518,195.68 and 214,393.74

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Solution

The fourth proportional to 375,488.16, 518,195.68 and 214,393.74 is: 295,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,488.16 : 518,195.68 = 214,393.74 : x
  2. Step 2: Convert to fraction form
    375,488.16/518,195.68 = 214,393.74/x
  3. Step 3: Cross multiply
    375,488.16x = 518,195.68 × 214,393.74
  4. Step 4: Simplify right side
    375,488.16x = 111,097,907,407.83
  5. Step 5: Solve for x
    x = 111,097,907,407.83/375,488.16
  6. Step 6: Final answer
    x = 295,875.93

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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.