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Finding the Fourth Proportional to 575,436.96, 794,179.98 and 330,518.16

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Solution

The fourth proportional to 575,436.96, 794,179.98 and 330,518.16 is: 456,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,436.96 : 794,179.98 = 330,518.16 : x
  2. Step 2: Convert to fraction form
    575,436.96/794,179.98 = 330,518.16/x
  3. Step 3: Cross multiply
    575,436.96x = 794,179.98 × 330,518.16
  4. Step 4: Simplify right side
    575,436.96x = 262,490,905,698.44
  5. Step 5: Solve for x
    x = 262,490,905,698.44/575,436.96
  6. Step 6: Final answer
    x = 456,159.27

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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.