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Finding the Fourth Proportional to 593,089.40, 889,634.10 and 577,537.40

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Solution

The fourth proportional to 593,089.40, 889,634.10 and 577,537.40 is: 866,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,089.40 : 889,634.10 = 577,537.40 : x
  2. Step 2: Convert to fraction form
    593,089.40/889,634.10 = 577,537.40/x
  3. Step 3: Cross multiply
    593,089.40x = 889,634.10 × 577,537.40
  4. Step 4: Simplify right side
    593,089.40x = 513,796,965,065.34
  5. Step 5: Solve for x
    x = 513,796,965,065.34/593,089.40
  6. Step 6: Final answer
    x = 866,306.10

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Double scale
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Similar ratio
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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.