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Finding the Fourth Proportional to 571,525.52, 788,749.82 and 316,926.32

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Solution

The fourth proportional to 571,525.52, 788,749.82 and 316,926.32 is: 437,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,525.52 : 788,749.82 = 316,926.32 : x
  2. Step 2: Convert to fraction form
    571,525.52/788,749.82 = 316,926.32/x
  3. Step 3: Cross multiply
    571,525.52x = 788,749.82 × 316,926.32
  4. Step 4: Simplify right side
    571,525.52x = 249,975,577,853.26
  5. Step 5: Solve for x
    x = 249,975,577,853.26/571,525.52
  6. Step 6: Final answer
    x = 437,383.05

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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.