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Finding the Fourth Proportional to 651,681.40, 977,570.70 and 230,902.60

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Solution

The fourth proportional to 651,681.40, 977,570.70 and 230,902.60 is: 346,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,681.40 : 977,570.70 = 230,902.60 : x
  2. Step 2: Convert to fraction form
    651,681.40/977,570.70 = 230,902.60/x
  3. Step 3: Cross multiply
    651,681.40x = 977,570.70 × 230,902.60
  4. Step 4: Simplify right side
    651,681.40x = 225,723,616,313.82
  5. Step 5: Solve for x
    x = 225,723,616,313.82/651,681.40
  6. Step 6: Final answer
    x = 346,371.12

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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.