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Finding the Fourth Proportional to 652,130.80, 913,605.20 and 652,130.80

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Solution

The fourth proportional to 652,130.80, 913,605.20 and 652,130.80 is: 913,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,130.80 : 913,605.20 = 652,130.80 : x
  2. Step 2: Convert to fraction form
    652,130.80/913,605.20 = 652,130.80/x
  3. Step 3: Cross multiply
    652,130.80x = 913,605.20 × 652,130.80
  4. Step 4: Simplify right side
    652,130.80x = 595,790,089,960.16
  5. Step 5: Solve for x
    x = 595,790,089,960.16/652,130.80
  6. Step 6: Final answer
    x = 913,605.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.