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Finding the Fourth Proportional to 370,909.70, 556,364.55 and 202,364.90

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Solution

The fourth proportional to 370,909.70, 556,364.55 and 202,364.90 is: 303,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,909.70 : 556,364.55 = 202,364.90 : x
  2. Step 2: Convert to fraction form
    370,909.70/556,364.55 = 202,364.90/x
  3. Step 3: Cross multiply
    370,909.70x = 556,364.55 × 202,364.90
  4. Step 4: Simplify right side
    370,909.70x = 112,588,656,524.30
  5. Step 5: Solve for x
    x = 112,588,656,524.30/370,909.70
  6. Step 6: Final answer
    x = 303,547.35

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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.