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Finding the Fourth Proportional to 570,673.35, 787,508.33 and 328,966.11

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Solution

The fourth proportional to 570,673.35, 787,508.33 and 328,966.11 is: 453,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,673.35 : 787,508.33 = 328,966.11 : x
  2. Step 2: Convert to fraction form
    570,673.35/787,508.33 = 328,966.11/x
  3. Step 3: Cross multiply
    570,673.35x = 787,508.33 × 328,966.11
  4. Step 4: Simplify right side
    570,673.35x = 259,063,550,267.87
  5. Step 5: Solve for x
    x = 259,063,550,267.87/570,673.35
  6. Step 6: Final answer
    x = 453,961.19

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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.