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Finding the Fourth Proportional to 346,411.84, 519,559.20 and 97,036.48

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Solution

The fourth proportional to 346,411.84, 519,559.20 and 97,036.48 is: 145,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,411.84 : 519,559.20 = 97,036.48 : x
  2. Step 2: Convert to fraction form
    346,411.84/519,559.20 = 97,036.48/x
  3. Step 3: Cross multiply
    346,411.84x = 519,559.20 × 97,036.48
  4. Step 4: Simplify right side
    346,411.84x = 50,416,195,919.62
  5. Step 5: Solve for x
    x = 50,416,195,919.62/346,411.84
  6. Step 6: Final answer
    x = 145,538.32

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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.