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Finding the Fourth Proportional to 575,561.60, 794,283.84 and 320,904.32

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Solution

The fourth proportional to 575,561.60, 794,283.84 and 320,904.32 is: 442,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,561.60 : 794,283.84 = 320,904.32 : x
  2. Step 2: Convert to fraction form
    575,561.60/794,283.84 = 320,904.32/x
  3. Step 3: Cross multiply
    575,561.60x = 794,283.84 × 320,904.32
  4. Step 4: Simplify right side
    575,561.60x = 254,889,115,562.19
  5. Step 5: Solve for x
    x = 254,889,115,562.19/575,561.60
  6. Step 6: Final answer
    x = 442,852.89

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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.