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Finding the Fourth Proportional to 346,070.20, 519,251.10 and 188,411.80

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Solution

The fourth proportional to 346,070.20, 519,251.10 and 188,411.80 is: 282,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,070.20 : 519,251.10 = 188,411.80 : x
  2. Step 2: Convert to fraction form
    346,070.20/519,251.10 = 188,411.80/x
  3. Step 3: Cross multiply
    346,070.20x = 519,251.10 × 188,411.80
  4. Step 4: Simplify right side
    346,070.20x = 97,833,034,402.98
  5. Step 5: Solve for x
    x = 97,833,034,402.98/346,070.20
  6. Step 6: Final answer
    x = 282,697.08

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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.