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Finding the Fourth Proportional to 307,562.40, 461,343.60 and 97,264.80

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Solution

The fourth proportional to 307,562.40, 461,343.60 and 97,264.80 is: 145,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,562.40 : 461,343.60 = 97,264.80 : x
  2. Step 2: Convert to fraction form
    307,562.40/461,343.60 = 97,264.80/x
  3. Step 3: Cross multiply
    307,562.40x = 461,343.60 × 97,264.80
  4. Step 4: Simplify right side
    307,562.40x = 44,872,492,985.28
  5. Step 5: Solve for x
    x = 44,872,492,985.28/307,562.40
  6. Step 6: Final answer
    x = 145,897.20

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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.