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Finding the Fourth Proportional to 525,555.34, 725,266.32 and 283,837.93

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Solution

The fourth proportional to 525,555.34, 725,266.32 and 283,837.93 is: 391,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,555.34 : 725,266.32 = 283,837.93 : x
  2. Step 2: Convert to fraction form
    525,555.34/725,266.32 = 283,837.93/x
  3. Step 3: Cross multiply
    525,555.34x = 725,266.32 × 283,837.93
  4. Step 4: Simplify right side
    525,555.34x = 205,858,088,089.96
  5. Step 5: Solve for x
    x = 205,858,088,089.96/525,555.34
  6. Step 6: Final answer
    x = 391,696.31

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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.