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Finding the Fourth Proportional to 482,192.64, 723,206.40 and 127,210.32

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Solution

The fourth proportional to 482,192.64, 723,206.40 and 127,210.32 is: 190,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,192.64 : 723,206.40 = 127,210.32 : x
  2. Step 2: Convert to fraction form
    482,192.64/723,206.40 = 127,210.32/x
  3. Step 3: Cross multiply
    482,192.64x = 723,206.40 × 127,210.32
  4. Step 4: Simplify right side
    482,192.64x = 91,999,317,570.05
  5. Step 5: Solve for x
    x = 91,999,317,570.05/482,192.64
  6. Step 6: Final answer
    x = 190,793.70

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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.