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Finding the Fourth Proportional to 626,574.57, 864,673.59 and 340,094.58

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Solution

The fourth proportional to 626,574.57, 864,673.59 and 340,094.58 is: 469,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,574.57 : 864,673.59 = 340,094.58 : x
  2. Step 2: Convert to fraction form
    626,574.57/864,673.59 = 340,094.58/x
  3. Step 3: Cross multiply
    626,574.57x = 864,673.59 × 340,094.58
  4. Step 4: Simplify right side
    626,574.57x = 294,070,801,428.14
  5. Step 5: Solve for x
    x = 294,070,801,428.14/626,574.57
  6. Step 6: Final answer
    x = 469,330.89

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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.