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Finding the Fourth Proportional to 511,801.34, 706,281.89 and 282,368.29

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Solution

The fourth proportional to 511,801.34, 706,281.89 and 282,368.29 is: 389,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,801.34 : 706,281.89 = 282,368.29 : x
  2. Step 2: Convert to fraction form
    511,801.34/706,281.89 = 282,368.29/x
  3. Step 3: Cross multiply
    511,801.34x = 706,281.89 × 282,368.29
  4. Step 4: Simplify right side
    511,801.34x = 199,431,609,537.27
  5. Step 5: Solve for x
    x = 199,431,609,537.27/511,801.34
  6. Step 6: Final answer
    x = 389,666.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.