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Finding the Fourth Proportional to 867,968.70, 1,301,758.65 and 570,536.70

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Solution

The fourth proportional to 867,968.70, 1,301,758.65 and 570,536.70 is: 855,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,968.70 : 1,301,758.65 = 570,536.70 : x
  2. Step 2: Convert to fraction form
    867,968.70/1,301,758.65 = 570,536.70/x
  3. Step 3: Cross multiply
    867,968.70x = 1,301,758.65 × 570,536.70
  4. Step 4: Simplify right side
    867,968.70x = 742,701,084,367.46
  5. Step 5: Solve for x
    x = 742,701,084,367.46/867,968.70
  6. Step 6: Final answer
    x = 855,677.27

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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.