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Finding the Fourth Proportional to 529,703.40, 794,555.10 and 245,393.40

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Solution

The fourth proportional to 529,703.40, 794,555.10 and 245,393.40 is: 368,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,703.40 : 794,555.10 = 245,393.40 : x
  2. Step 2: Convert to fraction form
    529,703.40/794,555.10 = 245,393.40/x
  3. Step 3: Cross multiply
    529,703.40x = 794,555.10 × 245,393.40
  4. Step 4: Simplify right side
    529,703.40x = 194,978,577,476.34
  5. Step 5: Solve for x
    x = 194,978,577,476.34/529,703.40
  6. Step 6: Final answer
    x = 368,090.10

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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.