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Finding the Fourth Proportional to 346,534.50, 519,831.18 and 97,216.50

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Solution

The fourth proportional to 346,534.50, 519,831.18 and 97,216.50 is: 145,833.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,534.50 : 519,831.18 = 97,216.50 : x
  2. Step 2: Convert to fraction form
    346,534.50/519,831.18 = 97,216.50/x
  3. Step 3: Cross multiply
    346,534.50x = 519,831.18 × 97,216.50
  4. Step 4: Simplify right side
    346,534.50x = 50,536,167,910.47
  5. Step 5: Solve for x
    x = 50,536,167,910.47/346,534.50
  6. Step 6: Final answer
    x = 145,833.01

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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.