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Finding the Fourth Proportional to 571,957.76, 788,973.77 and 356,724.16

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Solution

The fourth proportional to 571,957.76, 788,973.77 and 356,724.16 is: 492,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,957.76 : 788,973.77 = 356,724.16 : x
  2. Step 2: Convert to fraction form
    571,957.76/788,973.77 = 356,724.16/x
  3. Step 3: Cross multiply
    571,957.76x = 788,973.77 × 356,724.16
  4. Step 4: Simplify right side
    571,957.76x = 281,446,004,284.66
  5. Step 5: Solve for x
    x = 281,446,004,284.66/571,957.76
  6. Step 6: Final answer
    x = 492,074.80

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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.