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Finding the Fourth Proportional to 540,097.90, 810,364.70 and 240,373.47

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Solution

The fourth proportional to 540,097.90, 810,364.70 and 240,373.47 is: 360,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,097.90 : 810,364.70 = 240,373.47 : x
  2. Step 2: Convert to fraction form
    540,097.90/810,364.70 = 240,373.47/x
  3. Step 3: Cross multiply
    540,097.90x = 810,364.70 × 240,373.47
  4. Step 4: Simplify right side
    540,097.90x = 194,790,178,544.31
  5. Step 5: Solve for x
    x = 194,790,178,544.31/540,097.90
  6. Step 6: Final answer
    x = 360,657.17

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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.