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Finding the Fourth Proportional to 583,401.54, 805,089.34 and 325,275.42

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Solution

The fourth proportional to 583,401.54, 805,089.34 and 325,275.42 is: 448,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,401.54 : 805,089.34 = 325,275.42 : x
  2. Step 2: Convert to fraction form
    583,401.54/805,089.34 = 325,275.42/x
  3. Step 3: Cross multiply
    583,401.54x = 805,089.34 × 325,275.42
  4. Step 4: Simplify right side
    583,401.54x = 261,875,773,206.02
  5. Step 5: Solve for x
    x = 261,875,773,206.02/583,401.54
  6. Step 6: Final answer
    x = 448,877.41

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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.