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Finding the Fourth Proportional to 300,303,874.80, 450,455,812.20 and 95,852,617.20

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Solution

The fourth proportional to 300,303,874.80, 450,455,812.20 and 95,852,617.20 is: 143,778,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,303,874.80 : 450,455,812.20 = 95,852,617.20 : x
  2. Step 2: Convert to fraction form
    300,303,874.80/450,455,812.20 = 95,852,617.20/x
  3. Step 3: Cross multiply
    300,303,874.80x = 450,455,812.20 × 95,852,617.20
  4. Step 4: Simplify right side
    300,303,874.80x = 43,177,368,532,321,688
  5. Step 5: Solve for x
    x = 43,177,368,532,321,688/300,303,874.80
  6. Step 6: Final answer
    x = 143,778,925.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.