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Finding the Fourth Proportional to 282,656.44, 390,063.42 and 153,593.56

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Solution

The fourth proportional to 282,656.44, 390,063.42 and 153,593.56 is: 211,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,656.44 : 390,063.42 = 153,593.56 : x
  2. Step 2: Convert to fraction form
    282,656.44/390,063.42 = 153,593.56/x
  3. Step 3: Cross multiply
    282,656.44x = 390,063.42 × 153,593.56
  4. Step 4: Simplify right side
    282,656.44x = 59,911,229,303.58
  5. Step 5: Solve for x
    x = 59,911,229,303.58/282,656.44
  6. Step 6: Final answer
    x = 211,957.77

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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.