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Finding the Fourth Proportional to 418,333.40, 577,277.99 and 237,047.50

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Solution

The fourth proportional to 418,333.40, 577,277.99 and 237,047.50 is: 327,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,333.40 : 577,277.99 = 237,047.50 : x
  2. Step 2: Convert to fraction form
    418,333.40/577,277.99 = 237,047.50/x
  3. Step 3: Cross multiply
    418,333.40x = 577,277.99 × 237,047.50
  4. Step 4: Simplify right side
    418,333.40x = 136,842,304,334.53
  5. Step 5: Solve for x
    x = 136,842,304,334.53/418,333.40
  6. Step 6: Final answer
    x = 327,113.03

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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.