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Finding the Fourth Proportional to 575,353.47, 794,328.35 and 511,514.94

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Solution

The fourth proportional to 575,353.47, 794,328.35 and 511,514.94 is: 706,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,353.47 : 794,328.35 = 511,514.94 : x
  2. Step 2: Convert to fraction form
    575,353.47/794,328.35 = 511,514.94/x
  3. Step 3: Cross multiply
    575,353.47x = 794,328.35 × 511,514.94
  4. Step 4: Simplify right side
    575,353.47x = 406,310,818,290.55
  5. Step 5: Solve for x
    x = 406,310,818,290.55/575,353.47
  6. Step 6: Final answer
    x = 706,193.39

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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.