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Finding the Fourth Proportional to 571,227.75, 788,294.30 and 316,595.34

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Solution

The fourth proportional to 571,227.75, 788,294.30 and 316,595.34 is: 436,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,227.75 : 788,294.30 = 316,595.34 : x
  2. Step 2: Convert to fraction form
    571,227.75/788,294.30 = 316,595.34/x
  3. Step 3: Cross multiply
    571,227.75x = 788,294.30 × 316,595.34
  4. Step 4: Simplify right side
    571,227.75x = 249,570,300,345.59
  5. Step 5: Solve for x
    x = 249,570,300,345.59/571,227.75
  6. Step 6: Final answer
    x = 436,901.57

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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.