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Finding the Fourth Proportional to 365,466.80, 502,405.42 and 314,292.08

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Solution

The fourth proportional to 365,466.80, 502,405.42 and 314,292.08 is: 432,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,466.80 : 502,405.42 = 314,292.08 : x
  2. Step 2: Convert to fraction form
    365,466.80/502,405.42 = 314,292.08/x
  3. Step 3: Cross multiply
    365,466.80x = 502,405.42 × 314,292.08
  4. Step 4: Simplify right side
    365,466.80x = 157,902,044,455.07
  5. Step 5: Solve for x
    x = 157,902,044,455.07/365,466.80
  6. Step 6: Final answer
    x = 432,055.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.