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Finding the Fourth Proportional to 544,010.45, 750,830.13 and 314,531.28

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Solution

The fourth proportional to 544,010.45, 750,830.13 and 314,531.28 is: 434,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,010.45 : 750,830.13 = 314,531.28 : x
  2. Step 2: Convert to fraction form
    544,010.45/750,830.13 = 314,531.28/x
  3. Step 3: Cross multiply
    544,010.45x = 750,830.13 × 314,531.28
  4. Step 4: Simplify right side
    544,010.45x = 236,159,561,851.47
  5. Step 5: Solve for x
    x = 236,159,561,851.47/544,010.45
  6. Step 6: Final answer
    x = 434,108.51

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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.