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Finding the Fourth Proportional to 583,309.06, 804,966.81 and 315,037.06

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Solution

The fourth proportional to 583,309.06, 804,966.81 and 315,037.06 is: 434,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,309.06 : 804,966.81 = 315,037.06 : x
  2. Step 2: Convert to fraction form
    583,309.06/804,966.81 = 315,037.06/x
  3. Step 3: Cross multiply
    583,309.06x = 804,966.81 × 315,037.06
  4. Step 4: Simplify right side
    583,309.06x = 253,594,377,219.98
  5. Step 5: Solve for x
    x = 253,594,377,219.98/583,309.06
  6. Step 6: Final answer
    x = 434,751.31

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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.