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Finding the Fourth Proportional to 265,312.13, 366,128.37 and 144,453.11

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Solution

The fourth proportional to 265,312.13, 366,128.37 and 144,453.11 is: 199,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,312.13 : 366,128.37 = 144,453.11 : x
  2. Step 2: Convert to fraction form
    265,312.13/366,128.37 = 144,453.11/x
  3. Step 3: Cross multiply
    265,312.13x = 366,128.37 × 144,453.11
  4. Step 4: Simplify right side
    265,312.13x = 52,888,379,875.09
  5. Step 5: Solve for x
    x = 52,888,379,875.09/265,312.13
  6. Step 6: Final answer
    x = 199,344.00

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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.