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Finding the Fourth Proportional to 328,457.98, 453,287.57 and 185,214.95

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Solution

The fourth proportional to 328,457.98, 453,287.57 and 185,214.95 is: 255,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,457.98 : 453,287.57 = 185,214.95 : x
  2. Step 2: Convert to fraction form
    328,457.98/453,287.57 = 185,214.95/x
  3. Step 3: Cross multiply
    328,457.98x = 453,287.57 × 185,214.95
  4. Step 4: Simplify right side
    328,457.98x = 83,955,634,613.17
  5. Step 5: Solve for x
    x = 83,955,634,613.17/328,457.98
  6. Step 6: Final answer
    x = 255,605.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.