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Finding the Fourth Proportional to 575,179.48, 793,417.74 and 359,945.80

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Solution

The fourth proportional to 575,179.48, 793,417.74 and 359,945.80 is: 496,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,179.48 : 793,417.74 = 359,945.80 : x
  2. Step 2: Convert to fraction form
    575,179.48/793,417.74 = 359,945.80/x
  3. Step 3: Cross multiply
    575,179.48x = 793,417.74 × 359,945.80
  4. Step 4: Simplify right side
    575,179.48x = 285,587,383,158.49
  5. Step 5: Solve for x
    x = 285,587,383,158.49/575,179.48
  6. Step 6: Final answer
    x = 496,518.73

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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.