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Finding the Fourth Proportional to 507,776.76, 700,707.60 and 292,985.76

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Solution

The fourth proportional to 507,776.76, 700,707.60 and 292,985.76 is: 404,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,776.76 : 700,707.60 = 292,985.76 : x
  2. Step 2: Convert to fraction form
    507,776.76/700,707.60 = 292,985.76/x
  3. Step 3: Cross multiply
    507,776.76x = 700,707.60 × 292,985.76
  4. Step 4: Simplify right side
    507,776.76x = 205,297,348,723.78
  5. Step 5: Solve for x
    x = 205,297,348,723.78/507,776.76
  6. Step 6: Final answer
    x = 404,306.31

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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.