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Finding the Fourth Proportional to 562,208.34, 775,853.64 and 307,554.06

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Solution

The fourth proportional to 562,208.34, 775,853.64 and 307,554.06 is: 424,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,208.34 : 775,853.64 = 307,554.06 : x
  2. Step 2: Convert to fraction form
    562,208.34/775,853.64 = 307,554.06/x
  3. Step 3: Cross multiply
    562,208.34x = 775,853.64 × 307,554.06
  4. Step 4: Simplify right side
    562,208.34x = 238,616,936,947.78
  5. Step 5: Solve for x
    x = 238,616,936,947.78/562,208.34
  6. Step 6: Final answer
    x = 424,427.96

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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.