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Finding the Fourth Proportional to 539,384.28, 744,029.64 and 348,510.24

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Solution

The fourth proportional to 539,384.28, 744,029.64 and 348,510.24 is: 480,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,384.28 : 744,029.64 = 348,510.24 : x
  2. Step 2: Convert to fraction form
    539,384.28/744,029.64 = 348,510.24/x
  3. Step 3: Cross multiply
    539,384.28x = 744,029.64 × 348,510.24
  4. Step 4: Simplify right side
    539,384.28x = 259,301,948,403.51
  5. Step 5: Solve for x
    x = 259,301,948,403.51/539,384.28
  6. Step 6: Final answer
    x = 480,736.94

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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.