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Finding the Fourth Proportional to 507,772.60, 700,699.20 and 292,899.84

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Solution

The fourth proportional to 507,772.60, 700,699.20 and 292,899.84 is: 404,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,772.60 : 700,699.20 = 292,899.84 : x
  2. Step 2: Convert to fraction form
    507,772.60/700,699.20 = 292,899.84/x
  3. Step 3: Cross multiply
    507,772.60x = 700,699.20 × 292,899.84
  4. Step 4: Simplify right side
    507,772.60x = 205,234,683,568.13
  5. Step 5: Solve for x
    x = 205,234,683,568.13/507,772.60
  6. Step 6: Final answer
    x = 404,186.21

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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.