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Finding the Fourth Proportional to 265,688.32, 366,645.60 and 144,834.40

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Solution

The fourth proportional to 265,688.32, 366,645.60 and 144,834.40 is: 199,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,688.32 : 366,645.60 = 144,834.40 : x
  2. Step 2: Convert to fraction form
    265,688.32/366,645.60 = 144,834.40/x
  3. Step 3: Cross multiply
    265,688.32x = 366,645.60 × 144,834.40
  4. Step 4: Simplify right side
    265,688.32x = 53,102,895,488.64
  5. Step 5: Solve for x
    x = 53,102,895,488.64/265,688.32
  6. Step 6: Final answer
    x = 199,869.14

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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.