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Finding the Fourth Proportional to 506,895.60, 699,548.40 and 292,031.76

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Solution

The fourth proportional to 506,895.60, 699,548.40 and 292,031.76 is: 403,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,895.60 : 699,548.40 = 292,031.76 : x
  2. Step 2: Convert to fraction form
    506,895.60/699,548.40 = 292,031.76/x
  3. Step 3: Cross multiply
    506,895.60x = 699,548.40 × 292,031.76
  4. Step 4: Simplify right side
    506,895.60x = 204,290,350,457.18
  5. Step 5: Solve for x
    x = 204,290,350,457.18/506,895.60
  6. Step 6: Final answer
    x = 403,022.54

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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.