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Finding the Fourth Proportional to 346,071.40, 519,107.10 and 93,351.40

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Solution

The fourth proportional to 346,071.40, 519,107.10 and 93,351.40 is: 140,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,071.40 : 519,107.10 = 93,351.40 : x
  2. Step 2: Convert to fraction form
    346,071.40/519,107.10 = 93,351.40/x
  3. Step 3: Cross multiply
    346,071.40x = 519,107.10 × 93,351.40
  4. Step 4: Simplify right side
    346,071.40x = 48,459,374,534.94
  5. Step 5: Solve for x
    x = 48,459,374,534.94/346,071.40
  6. Step 6: Final answer
    x = 140,027.10

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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.