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Finding the Fourth Proportional to 575,034.76, 793,553.36 and 316,921.17

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Solution

The fourth proportional to 575,034.76, 793,553.36 and 316,921.17 is: 437,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,034.76 : 793,553.36 = 316,921.17 : x
  2. Step 2: Convert to fraction form
    575,034.76/793,553.36 = 316,921.17/x
  3. Step 3: Cross multiply
    575,034.76x = 793,553.36 × 316,921.17
  4. Step 4: Simplify right side
    575,034.76x = 251,493,860,699.85
  5. Step 5: Solve for x
    x = 251,493,860,699.85/575,034.76
  6. Step 6: Final answer
    x = 437,354.19

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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.