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Finding the Fourth Proportional to 461,495, 692,315.68 and 195,257.50

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Solution

The fourth proportional to 461,495, 692,315.68 and 195,257.50 is: 292,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,495 : 692,315.68 = 195,257.50 : x
  2. Step 2: Convert to fraction form
    461,495/692,315.68 = 195,257.50/x
  3. Step 3: Cross multiply
    461,495x = 692,315.68 × 195,257.50
  4. Step 4: Simplify right side
    461,495x = 135,179,828,887.60
  5. Step 5: Solve for x
    x = 135,179,828,887.60/461,495
  6. Step 6: Final answer
    x = 292,917.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.