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Finding the Fourth Proportional to 554,249.49, 830,528.59 and 288,096.45

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Solution

The fourth proportional to 554,249.49, 830,528.59 and 288,096.45 is: 431,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,249.49 : 830,528.59 = 288,096.45 : x
  2. Step 2: Convert to fraction form
    554,249.49/830,528.59 = 288,096.45/x
  3. Step 3: Cross multiply
    554,249.49x = 830,528.59 × 288,096.45
  4. Step 4: Simplify right side
    554,249.49x = 239,272,338,402.51
  5. Step 5: Solve for x
    x = 239,272,338,402.51/554,249.49
  6. Step 6: Final answer
    x = 431,705.11

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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.