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Finding the Fourth Proportional to 459,308.84, 633,810.21 and 255,347.35

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Solution

The fourth proportional to 459,308.84, 633,810.21 and 255,347.35 is: 352,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,308.84 : 633,810.21 = 255,347.35 : x
  2. Step 2: Convert to fraction form
    459,308.84/633,810.21 = 255,347.35/x
  3. Step 3: Cross multiply
    459,308.84x = 633,810.21 × 255,347.35
  4. Step 4: Simplify right side
    459,308.84x = 161,841,757,526.44
  5. Step 5: Solve for x
    x = 161,841,757,526.44/459,308.84
  6. Step 6: Final answer
    x = 352,359.34

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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.