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Finding the Fourth Proportional to 593,398.76, 889,888.62 and 256,425.80

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Solution

The fourth proportional to 593,398.76, 889,888.62 and 256,425.80 is: 384,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,398.76 : 889,888.62 = 256,425.80 : x
  2. Step 2: Convert to fraction form
    593,398.76/889,888.62 = 256,425.80/x
  3. Step 3: Cross multiply
    593,398.76x = 889,888.62 × 256,425.80
  4. Step 4: Simplify right side
    593,398.76x = 228,190,401,294.40
  5. Step 5: Solve for x
    x = 228,190,401,294.40/593,398.76
  6. Step 6: Final answer
    x = 384,548.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.