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Finding the Fourth Proportional to 570,602.60, 855,903.90 and 404,714.60

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Solution

The fourth proportional to 570,602.60, 855,903.90 and 404,714.60 is: 607,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,602.60 : 855,903.90 = 404,714.60 : x
  2. Step 2: Convert to fraction form
    570,602.60/855,903.90 = 404,714.60/x
  3. Step 3: Cross multiply
    570,602.60x = 855,903.90 × 404,714.60
  4. Step 4: Simplify right side
    570,602.60x = 346,396,804,526.94
  5. Step 5: Solve for x
    x = 346,396,804,526.94/570,602.60
  6. Step 6: Final answer
    x = 607,071.90

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Similar ratio
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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.