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Finding the Fourth Proportional to 583,308.57, 804,966.12 and 315,036.57

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Solution

The fourth proportional to 583,308.57, 804,966.12 and 315,036.57 is: 434,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,308.57 : 804,966.12 = 315,036.57 : x
  2. Step 2: Convert to fraction form
    583,308.57/804,966.12 = 315,036.57/x
  3. Step 3: Cross multiply
    583,308.57x = 804,966.12 × 315,036.57
  4. Step 4: Simplify right side
    583,308.57x = 253,593,765,411.01
  5. Step 5: Solve for x
    x = 253,593,765,411.01/583,308.57
  6. Step 6: Final answer
    x = 434,750.63

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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.