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Finding the Fourth Proportional to 310,707.18, 465,737.58 and 210,875.52

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Solution

The fourth proportional to 310,707.18, 465,737.58 and 210,875.52 is: 316,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,707.18 : 465,737.58 = 210,875.52 : x
  2. Step 2: Convert to fraction form
    310,707.18/465,737.58 = 210,875.52/x
  3. Step 3: Cross multiply
    310,707.18x = 465,737.58 × 210,875.52
  4. Step 4: Simplify right side
    310,707.18x = 98,212,654,366.04
  5. Step 5: Solve for x
    x = 98,212,654,366.04/310,707.18
  6. Step 6: Final answer
    x = 316,093.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.