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Finding the Fourth Proportional to 576,090.90, 794,783.70 and 360,856.26

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Solution

The fourth proportional to 576,090.90, 794,783.70 and 360,856.26 is: 497,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,090.90 : 794,783.70 = 360,856.26 : x
  2. Step 2: Convert to fraction form
    576,090.90/794,783.70 = 360,856.26/x
  3. Step 3: Cross multiply
    576,090.90x = 794,783.70 × 360,856.26
  4. Step 4: Simplify right side
    576,090.90x = 286,802,670,510.52
  5. Step 5: Solve for x
    x = 286,802,670,510.52/576,090.90
  6. Step 6: Final answer
    x = 497,842.74

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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.