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Finding the Fourth Proportional to 295,545.16, 407,852.78 and 168,220.75

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Solution

The fourth proportional to 295,545.16, 407,852.78 and 168,220.75 is: 232,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,545.16 : 407,852.78 = 168,220.75 : x
  2. Step 2: Convert to fraction form
    295,545.16/407,852.78 = 168,220.75/x
  3. Step 3: Cross multiply
    295,545.16x = 407,852.78 × 168,220.75
  4. Step 4: Simplify right side
    295,545.16x = 68,609,300,541.19
  5. Step 5: Solve for x
    x = 68,609,300,541.19/295,545.16
  6. Step 6: Final answer
    x = 232,144.90

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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.