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Finding the Fourth Proportional to 364,812.40, 547,218.60 and 357,036.40

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Solution

The fourth proportional to 364,812.40, 547,218.60 and 357,036.40 is: 535,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,812.40 : 547,218.60 = 357,036.40 : x
  2. Step 2: Convert to fraction form
    364,812.40/547,218.60 = 357,036.40/x
  3. Step 3: Cross multiply
    364,812.40x = 547,218.60 × 357,036.40
  4. Step 4: Simplify right side
    364,812.40x = 195,376,958,957.04
  5. Step 5: Solve for x
    x = 195,376,958,957.04/364,812.40
  6. Step 6: Final answer
    x = 535,554.60

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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.