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Finding the Fourth Proportional to 482,348.04, 720,009.06 and 446,772.84

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Solution

The fourth proportional to 482,348.04, 720,009.06 and 446,772.84 is: 666,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,348.04 : 720,009.06 = 446,772.84 : x
  2. Step 2: Convert to fraction form
    482,348.04/720,009.06 = 446,772.84/x
  3. Step 3: Cross multiply
    482,348.04x = 720,009.06 × 446,772.84
  4. Step 4: Simplify right side
    482,348.04x = 321,680,492,561.93
  5. Step 5: Solve for x
    x = 321,680,492,561.93/482,348.04
  6. Step 6: Final answer
    x = 666,905.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.