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Finding the Fourth Proportional to 532,974, 735,513.76 and 291,266.76

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Solution

The fourth proportional to 532,974, 735,513.76 and 291,266.76 is: 401,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,974 : 735,513.76 = 291,266.76 : x
  2. Step 2: Convert to fraction form
    532,974/735,513.76 = 291,266.76/x
  3. Step 3: Cross multiply
    532,974x = 735,513.76 × 291,266.76
  4. Step 4: Simplify right side
    532,974x = 214,230,709,810.62
  5. Step 5: Solve for x
    x = 214,230,709,810.62/532,974
  6. Step 6: Final answer
    x = 401,953.40

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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.