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Finding the Fourth Proportional to 358,368.29, 537,074.69 and 133,502.30

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Solution

The fourth proportional to 358,368.29, 537,074.69 and 133,502.30 is: 200,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,368.29 : 537,074.69 = 133,502.30 : x
  2. Step 2: Convert to fraction form
    358,368.29/537,074.69 = 133,502.30/x
  3. Step 3: Cross multiply
    358,368.29x = 537,074.69 × 133,502.30
  4. Step 4: Simplify right side
    358,368.29x = 71,700,703,033.90
  5. Step 5: Solve for x
    x = 71,700,703,033.90/358,368.29
  6. Step 6: Final answer
    x = 200,075.47

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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.