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Finding the Fourth Proportional to 575,346.08, 794,004.48 and 320,699.12

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Solution

The fourth proportional to 575,346.08, 794,004.48 and 320,699.12 is: 442,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,346.08 : 794,004.48 = 320,699.12 : x
  2. Step 2: Convert to fraction form
    575,346.08/794,004.48 = 320,699.12/x
  3. Step 3: Cross multiply
    575,346.08x = 794,004.48 × 320,699.12
  4. Step 4: Simplify right side
    575,346.08x = 254,636,538,012.06
  5. Step 5: Solve for x
    x = 254,636,538,012.06/575,346.08
  6. Step 6: Final answer
    x = 442,579.77

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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.