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Finding the Fourth Proportional to 506,938.88, 699,731.40 and 292,222.48

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Solution

The fourth proportional to 506,938.88, 699,731.40 and 292,222.48 is: 403,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,938.88 : 699,731.40 = 292,222.48 : x
  2. Step 2: Convert to fraction form
    506,938.88/699,731.40 = 292,222.48/x
  3. Step 3: Cross multiply
    506,938.88x = 699,731.40 × 292,222.48
  4. Step 4: Simplify right side
    506,938.88x = 204,477,245,041.87
  5. Step 5: Solve for x
    x = 204,477,245,041.87/506,938.88
  6. Step 6: Final answer
    x = 403,356.80

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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.