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Finding the Fourth Proportional to 529,992.48, 730,282.32 and 359,931.36

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Solution

The fourth proportional to 529,992.48, 730,282.32 and 359,931.36 is: 495,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,992.48 : 730,282.32 = 359,931.36 : x
  2. Step 2: Convert to fraction form
    529,992.48/730,282.32 = 359,931.36/x
  3. Step 3: Cross multiply
    529,992.48x = 730,282.32 × 359,931.36
  4. Step 4: Simplify right side
    529,992.48x = 262,851,508,621.56
  5. Step 5: Solve for x
    x = 262,851,508,621.56/529,992.48
  6. Step 6: Final answer
    x = 495,953.28

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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.