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Finding the Fourth Proportional to 569,040.28, 785,208.66 and 314,376.28

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Solution

The fourth proportional to 569,040.28, 785,208.66 and 314,376.28 is: 433,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,040.28 : 785,208.66 = 314,376.28 : x
  2. Step 2: Convert to fraction form
    569,040.28/785,208.66 = 314,376.28/x
  3. Step 3: Cross multiply
    569,040.28x = 785,208.66 × 314,376.28
  4. Step 4: Simplify right side
    569,040.28x = 246,850,977,554.59
  5. Step 5: Solve for x
    x = 246,850,977,554.59/569,040.28
  6. Step 6: Final answer
    x = 433,802.29

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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.