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Finding the Fourth Proportional to 650,073.80, 974,721.90 and 335,145.80

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Solution

The fourth proportional to 650,073.80, 974,721.90 and 335,145.80 is: 502,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,073.80 : 974,721.90 = 335,145.80 : x
  2. Step 2: Convert to fraction form
    650,073.80/974,721.90 = 335,145.80/x
  3. Step 3: Cross multiply
    650,073.80x = 974,721.90 × 335,145.80
  4. Step 4: Simplify right side
    650,073.80x = 326,673,950,953.02
  5. Step 5: Solve for x
    x = 326,673,950,953.02/650,073.80
  6. Step 6: Final answer
    x = 502,518.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.