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Finding the Fourth Proportional to 375,992.04, 518,895.42 and 214,870.90

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Solution

The fourth proportional to 375,992.04, 518,895.42 and 214,870.90 is: 296,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,992.04 : 518,895.42 = 214,870.90 : x
  2. Step 2: Convert to fraction form
    375,992.04/518,895.42 = 214,870.90/x
  3. Step 3: Cross multiply
    375,992.04x = 518,895.42 × 214,870.90
  4. Step 4: Simplify right side
    375,992.04x = 111,495,525,901.28
  5. Step 5: Solve for x
    x = 111,495,525,901.28/375,992.04
  6. Step 6: Final answer
    x = 296,536.93

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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.