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Finding the Fourth Proportional to 281,598.40, 388,602.54 and 152,534.40

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Solution

The fourth proportional to 281,598.40, 388,602.54 and 152,534.40 is: 210,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,598.40 : 388,602.54 = 152,534.40 : x
  2. Step 2: Convert to fraction form
    281,598.40/388,602.54 = 152,534.40/x
  3. Step 3: Cross multiply
    281,598.40x = 388,602.54 × 152,534.40
  4. Step 4: Simplify right side
    281,598.40x = 59,275,255,277.38
  5. Step 5: Solve for x
    x = 59,275,255,277.38/281,598.40
  6. Step 6: Final answer
    x = 210,495.71

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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.