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Finding the Fourth Proportional to 572,090.16, 857,802.93 and 216,910.42

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Solution

The fourth proportional to 572,090.16, 857,802.93 and 216,910.42 is: 325,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,090.16 : 857,802.93 = 216,910.42 : x
  2. Step 2: Convert to fraction form
    572,090.16/857,802.93 = 216,910.42/x
  3. Step 3: Cross multiply
    572,090.16x = 857,802.93 × 216,910.42
  4. Step 4: Simplify right side
    572,090.16x = 186,066,393,823.53
  5. Step 5: Solve for x
    x = 186,066,393,823.53/572,090.16
  6. Step 6: Final answer
    x = 325,239.63

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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.