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Finding the Fourth Proportional to 614,976.93, 921,828.74 and 299,041.29

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Solution

The fourth proportional to 614,976.93, 921,828.74 and 299,041.29 is: 448,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,976.93 : 921,828.74 = 299,041.29 : x
  2. Step 2: Convert to fraction form
    614,976.93/921,828.74 = 299,041.29/x
  3. Step 3: Cross multiply
    614,976.93x = 921,828.74 × 299,041.29
  4. Step 4: Simplify right side
    614,976.93x = 275,664,854,073.47
  5. Step 5: Solve for x
    x = 275,664,854,073.47/614,976.93
  6. Step 6: Final answer
    x = 448,252.35

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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.