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Finding the Fourth Proportional to 593,090.40, 889,635.60 and 577,538.40

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Solution

The fourth proportional to 593,090.40, 889,635.60 and 577,538.40 is: 866,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,090.40 : 889,635.60 = 577,538.40 : x
  2. Step 2: Convert to fraction form
    593,090.40/889,635.60 = 577,538.40/x
  3. Step 3: Cross multiply
    593,090.40x = 889,635.60 × 577,538.40
  4. Step 4: Simplify right side
    593,090.40x = 513,798,721,007.04
  5. Step 5: Solve for x
    x = 513,798,721,007.04/593,090.40
  6. Step 6: Final answer
    x = 866,307.60

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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.