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Finding the Fourth Proportional to 370,852.90, 556,279.35 and 366,916.30

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Solution

The fourth proportional to 370,852.90, 556,279.35 and 366,916.30 is: 550,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,852.90 : 556,279.35 = 366,916.30 : x
  2. Step 2: Convert to fraction form
    370,852.90/556,279.35 = 366,916.30/x
  3. Step 3: Cross multiply
    370,852.90x = 556,279.35 × 366,916.30
  4. Step 4: Simplify right side
    370,852.90x = 204,107,960,868.41
  5. Step 5: Solve for x
    x = 204,107,960,868.41/370,852.90
  6. Step 6: Final answer
    x = 550,374.45

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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.