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Finding the Fourth Proportional to 503,885.60, 695,362.08 and 277,531.10

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Solution

The fourth proportional to 503,885.60, 695,362.08 and 277,531.10 is: 382,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,885.60 : 695,362.08 = 277,531.10 : x
  2. Step 2: Convert to fraction form
    503,885.60/695,362.08 = 277,531.10/x
  3. Step 3: Cross multiply
    503,885.60x = 695,362.08 × 277,531.10
  4. Step 4: Simplify right side
    503,885.60x = 192,984,602,960.69
  5. Step 5: Solve for x
    x = 192,984,602,960.69/503,885.60
  6. Step 6: Final answer
    x = 382,992.89

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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.