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Finding the Fourth Proportional to 366,614.80, 549,484.80 and 328,998.40

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Solution

The fourth proportional to 366,614.80, 549,484.80 and 328,998.40 is: 493,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,614.80 : 549,484.80 = 328,998.40 : x
  2. Step 2: Convert to fraction form
    366,614.80/549,484.80 = 328,998.40/x
  3. Step 3: Cross multiply
    366,614.80x = 549,484.80 × 328,998.40
  4. Step 4: Simplify right side
    366,614.80x = 180,779,620,024.32
  5. Step 5: Solve for x
    x = 180,779,620,024.32/366,614.80
  6. Step 6: Final answer
    x = 493,105.08

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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.