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Finding the Fourth Proportional to 370,924.70, 556,387.05 and 291,208.55

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Solution

The fourth proportional to 370,924.70, 556,387.05 and 291,208.55 is: 436,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,924.70 : 556,387.05 = 291,208.55 : x
  2. Step 2: Convert to fraction form
    370,924.70/556,387.05 = 291,208.55/x
  3. Step 3: Cross multiply
    370,924.70x = 556,387.05 × 291,208.55
  4. Step 4: Simplify right side
    370,924.70x = 162,024,666,069.28
  5. Step 5: Solve for x
    x = 162,024,666,069.28/370,924.70
  6. Step 6: Final answer
    x = 436,812.83

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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.