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Finding the Fourth Proportional to 366,312.60, 549,209.70 and 141,586.20

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Solution

The fourth proportional to 366,312.60, 549,209.70 and 141,586.20 is: 212,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,312.60 : 549,209.70 = 141,586.20 : x
  2. Step 2: Convert to fraction form
    366,312.60/549,209.70 = 141,586.20/x
  3. Step 3: Cross multiply
    366,312.60x = 549,209.70 × 141,586.20
  4. Step 4: Simplify right side
    366,312.60x = 77,760,514,426.14
  5. Step 5: Solve for x
    x = 77,760,514,426.14/366,312.60
  6. Step 6: Final answer
    x = 212,279.11

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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.