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Finding the Fourth Proportional to 562,542.48, 776,305.80 and 304,419.24

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Solution

The fourth proportional to 562,542.48, 776,305.80 and 304,419.24 is: 420,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,542.48 : 776,305.80 = 304,419.24 : x
  2. Step 2: Convert to fraction form
    562,542.48/776,305.80 = 304,419.24/x
  3. Step 3: Cross multiply
    562,542.48x = 776,305.80 × 304,419.24
  4. Step 4: Simplify right side
    562,542.48x = 236,322,421,643.59
  5. Step 5: Solve for x
    x = 236,322,421,643.59/562,542.48
  6. Step 6: Final answer
    x = 420,097.02

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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.