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Finding the Fourth Proportional to 532,589.68, 734,636.28 and 404,985.52

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Solution

The fourth proportional to 532,589.68, 734,636.28 and 404,985.52 is: 558,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,589.68 : 734,636.28 = 404,985.52 : x
  2. Step 2: Convert to fraction form
    532,589.68/734,636.28 = 404,985.52/x
  3. Step 3: Cross multiply
    532,589.68x = 734,636.28 × 404,985.52
  4. Step 4: Simplify right side
    532,589.68x = 297,517,055,866.67
  5. Step 5: Solve for x
    x = 297,517,055,866.67/532,589.68
  6. Step 6: Final answer
    x = 558,623.40

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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.