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Finding the Fourth Proportional to 549,435.16, 823,487.28 and 233,228.08

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Solution

The fourth proportional to 549,435.16, 823,487.28 and 233,228.08 is: 349,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,435.16 : 823,487.28 = 233,228.08 : x
  2. Step 2: Convert to fraction form
    549,435.16/823,487.28 = 233,228.08/x
  3. Step 3: Cross multiply
    549,435.16x = 823,487.28 × 233,228.08
  4. Step 4: Simplify right side
    549,435.16x = 192,060,357,218.82
  5. Step 5: Solve for x
    x = 192,060,357,218.82/549,435.16
  6. Step 6: Final answer
    x = 349,559.64

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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.