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Finding the Fourth Proportional to 326,281.61, 450,461.66 and 205,526.40

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Solution

The fourth proportional to 326,281.61, 450,461.66 and 205,526.40 is: 283,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,281.61 : 450,461.66 = 205,526.40 : x
  2. Step 2: Convert to fraction form
    326,281.61/450,461.66 = 205,526.40/x
  3. Step 3: Cross multiply
    326,281.61x = 450,461.66 × 205,526.40
  4. Step 4: Simplify right side
    326,281.61x = 92,581,762,290.19
  5. Step 5: Solve for x
    x = 92,581,762,290.19/326,281.61
  6. Step 6: Final answer
    x = 283,748.03

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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.