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Finding the Fourth Proportional to 626,575.08, 864,674.48 and 340,095.22

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Solution

The fourth proportional to 626,575.08, 864,674.48 and 340,095.22 is: 469,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,575.08 : 864,674.48 = 340,095.22 : x
  2. Step 2: Convert to fraction form
    626,575.08/864,674.48 = 340,095.22/x
  3. Step 3: Cross multiply
    626,575.08x = 864,674.48 × 340,095.22
  4. Step 4: Simplify right side
    626,575.08x = 294,071,657,503.99
  5. Step 5: Solve for x
    x = 294,071,657,503.99/626,575.08
  6. Step 6: Final answer
    x = 469,331.88

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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.