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Finding the Fourth Proportional to 346,490.70, 519,476.85 and 188,897.10

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Solution

The fourth proportional to 346,490.70, 519,476.85 and 188,897.10 is: 283,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,490.70 : 519,476.85 = 188,897.10 : x
  2. Step 2: Convert to fraction form
    346,490.70/519,476.85 = 188,897.10/x
  3. Step 3: Cross multiply
    346,490.70x = 519,476.85 × 188,897.10
  4. Step 4: Simplify right side
    346,490.70x = 98,127,670,482.14
  5. Step 5: Solve for x
    x = 98,127,670,482.14/346,490.70
  6. Step 6: Final answer
    x = 283,204.34

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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.