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Finding the Fourth Proportional to 583,350.38, 805,024.06 and 315,078.38

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Solution

The fourth proportional to 583,350.38, 805,024.06 and 315,078.38 is: 434,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,350.38 : 805,024.06 = 315,078.38 : x
  2. Step 2: Convert to fraction form
    583,350.38/805,024.06 = 315,078.38/x
  3. Step 3: Cross multiply
    583,350.38x = 805,024.06 × 315,078.38
  4. Step 4: Simplify right side
    583,350.38x = 253,645,671,873.01
  5. Step 5: Solve for x
    x = 253,645,671,873.01/583,350.38
  6. Step 6: Final answer
    x = 434,808.45

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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.