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Finding the Fourth Proportional to 536,459.05, 740,301.59 and 291,437.48

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Solution

The fourth proportional to 536,459.05, 740,301.59 and 291,437.48 is: 402,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,459.05 : 740,301.59 = 291,437.48 : x
  2. Step 2: Convert to fraction form
    536,459.05/740,301.59 = 291,437.48/x
  3. Step 3: Cross multiply
    536,459.05x = 740,301.59 × 291,437.48
  4. Step 4: Simplify right side
    536,459.05x = 215,751,633,863.94
  5. Step 5: Solve for x
    x = 215,751,633,863.94/536,459.05
  6. Step 6: Final answer
    x = 402,177.26

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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.