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Finding the Fourth Proportional to 346,034.30, 519,051.45 and 188,570.30

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Solution

The fourth proportional to 346,034.30, 519,051.45 and 188,570.30 is: 282,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,034.30 : 519,051.45 = 188,570.30 : x
  2. Step 2: Convert to fraction form
    346,034.30/519,051.45 = 188,570.30/x
  3. Step 3: Cross multiply
    346,034.30x = 519,051.45 × 188,570.30
  4. Step 4: Simplify right side
    346,034.30x = 97,877,687,641.94
  5. Step 5: Solve for x
    x = 97,877,687,641.94/346,034.30
  6. Step 6: Final answer
    x = 282,855.45

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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.