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Finding the Fourth Proportional to 461,412.10, 692,312.55 and 251,200.90

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Solution

The fourth proportional to 461,412.10, 692,312.55 and 251,200.90 is: 376,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,412.10 : 692,312.55 = 251,200.90 : x
  2. Step 2: Convert to fraction form
    461,412.10/692,312.55 = 251,200.90/x
  3. Step 3: Cross multiply
    461,412.10x = 692,312.55 × 251,200.90
  4. Step 4: Simplify right side
    461,412.10x = 173,909,535,641.30
  5. Step 5: Solve for x
    x = 173,909,535,641.30/461,412.10
  6. Step 6: Final answer
    x = 376,907.18

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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.