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Finding the Fourth Proportional to 438,167.88, 604,602.90 and 247,177.44

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Solution

The fourth proportional to 438,167.88, 604,602.90 and 247,177.44 is: 341,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,167.88 : 604,602.90 = 247,177.44 : x
  2. Step 2: Convert to fraction form
    438,167.88/604,602.90 = 247,177.44/x
  3. Step 3: Cross multiply
    438,167.88x = 604,602.90 × 247,177.44
  4. Step 4: Simplify right side
    438,167.88x = 149,444,197,038.58
  5. Step 5: Solve for x
    x = 149,444,197,038.58/438,167.88
  6. Step 6: Final answer
    x = 341,066.07

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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.