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Finding the Fourth Proportional to 525,344.72, 725,011 and 292,807.84

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Solution

The fourth proportional to 525,344.72, 725,011 and 292,807.84 is: 404,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,344.72 : 725,011 = 292,807.84 : x
  2. Step 2: Convert to fraction form
    525,344.72/725,011 = 292,807.84/x
  3. Step 3: Cross multiply
    525,344.72x = 725,011 × 292,807.84
  4. Step 4: Simplify right side
    525,344.72x = 212,288,904,886.24
  5. Step 5: Solve for x
    x = 212,288,904,886.24/525,344.72
  6. Step 6: Final answer
    x = 404,094.49

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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.