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Finding the Fourth Proportional to 570,944.69, 787,846.25 and 316,248.29

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Solution

The fourth proportional to 570,944.69, 787,846.25 and 316,248.29 is: 436,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,944.69 : 787,846.25 = 316,248.29 : x
  2. Step 2: Convert to fraction form
    570,944.69/787,846.25 = 316,248.29/x
  3. Step 3: Cross multiply
    570,944.69x = 787,846.25 × 316,248.29
  4. Step 4: Simplify right side
    570,944.69x = 249,155,023,824.94
  5. Step 5: Solve for x
    x = 249,155,023,824.94/570,944.69
  6. Step 6: Final answer
    x = 436,390.83

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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.