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Finding the Fourth Proportional to 973,215, 1,343,022.12 and 543,501.36

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Solution

The fourth proportional to 973,215, 1,343,022.12 and 543,501.36 is: 750,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,215 : 1,343,022.12 = 543,501.36 : x
  2. Step 2: Convert to fraction form
    973,215/1,343,022.12 = 543,501.36/x
  3. Step 3: Cross multiply
    973,215x = 1,343,022.12 × 543,501.36
  4. Step 4: Simplify right side
    973,215x = 729,934,348,730.08
  5. Step 5: Solve for x
    x = 729,934,348,730.08/973,215
  6. Step 6: Final answer
    x = 750,023.73

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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.