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Finding the Fourth Proportional to 374,210.01, 516,263.22 and 230,720.94

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Solution

The fourth proportional to 374,210.01, 516,263.22 and 230,720.94 is: 318,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,210.01 : 516,263.22 = 230,720.94 : x
  2. Step 2: Convert to fraction form
    374,210.01/516,263.22 = 230,720.94/x
  3. Step 3: Cross multiply
    374,210.01x = 516,263.22 × 230,720.94
  4. Step 4: Simplify right side
    374,210.01x = 119,112,735,405.83
  5. Step 5: Solve for x
    x = 119,112,735,405.83/374,210.01
  6. Step 6: Final answer
    x = 318,304.51

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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.