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Finding the Fourth Proportional to 550,297.12, 759,572.24 and 359,340.32

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Solution

The fourth proportional to 550,297.12, 759,572.24 and 359,340.32 is: 495,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,297.12 : 759,572.24 = 359,340.32 : x
  2. Step 2: Convert to fraction form
    550,297.12/759,572.24 = 359,340.32/x
  3. Step 3: Cross multiply
    550,297.12x = 759,572.24 × 359,340.32
  4. Step 4: Simplify right side
    550,297.12x = 272,944,931,784.72
  5. Step 5: Solve for x
    x = 272,944,931,784.72/550,297.12
  6. Step 6: Final answer
    x = 495,995.57

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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.