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Finding the Fourth Proportional to 600,048.64, 828,275.70 and 345,501.28

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Solution

The fourth proportional to 600,048.64, 828,275.70 and 345,501.28 is: 476,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,048.64 : 828,275.70 = 345,501.28 : x
  2. Step 2: Convert to fraction form
    600,048.64/828,275.70 = 345,501.28/x
  3. Step 3: Cross multiply
    600,048.64x = 828,275.70 × 345,501.28
  4. Step 4: Simplify right side
    600,048.64x = 286,170,314,542.90
  5. Step 5: Solve for x
    x = 286,170,314,542.90/600,048.64
  6. Step 6: Final answer
    x = 476,911.86

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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.