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Finding the Fourth Proportional to 265,545.86, 366,448.66 and 144,688.13

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Solution

The fourth proportional to 265,545.86, 366,448.66 and 144,688.13 is: 199,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,545.86 : 366,448.66 = 144,688.13 : x
  2. Step 2: Convert to fraction form
    265,545.86/366,448.66 = 144,688.13/x
  3. Step 3: Cross multiply
    265,545.86x = 366,448.66 × 144,688.13
  4. Step 4: Simplify right side
    265,545.86x = 53,020,771,910.81
  5. Step 5: Solve for x
    x = 53,020,771,910.81/265,545.86
  6. Step 6: Final answer
    x = 199,667.10

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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.