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Finding the Fourth Proportional to 569,036.82, 785,261.58 and 310,908.22

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Solution

The fourth proportional to 569,036.82, 785,261.58 and 310,908.22 is: 429,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,036.82 : 785,261.58 = 310,908.22 : x
  2. Step 2: Convert to fraction form
    569,036.82/785,261.58 = 310,908.22/x
  3. Step 3: Cross multiply
    569,036.82x = 785,261.58 × 310,908.22
  4. Step 4: Simplify right side
    569,036.82x = 244,144,280,072.19
  5. Step 5: Solve for x
    x = 244,144,280,072.19/569,036.82
  6. Step 6: Final answer
    x = 429,048.30

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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.