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Finding the Fourth Proportional to 566,691, 782,033.58 and 312,041.58

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Solution

The fourth proportional to 566,691, 782,033.58 and 312,041.58 is: 430,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,691 : 782,033.58 = 312,041.58 : x
  2. Step 2: Convert to fraction form
    566,691/782,033.58 = 312,041.58/x
  3. Step 3: Cross multiply
    566,691x = 782,033.58 × 312,041.58
  4. Step 4: Simplify right side
    566,691x = 244,026,993,916.26
  5. Step 5: Solve for x
    x = 244,026,993,916.26/566,691
  6. Step 6: Final answer
    x = 430,617.38

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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.