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Finding the Fourth Proportional to 346,674.69, 478,558.41 and 210,752.06

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Solution

The fourth proportional to 346,674.69, 478,558.41 and 210,752.06 is: 290,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,674.69 : 478,558.41 = 210,752.06 : x
  2. Step 2: Convert to fraction form
    346,674.69/478,558.41 = 210,752.06/x
  3. Step 3: Cross multiply
    346,674.69x = 478,558.41 × 210,752.06
  4. Step 4: Simplify right side
    346,674.69x = 100,857,167,554.71
  5. Step 5: Solve for x
    x = 100,857,167,554.71/346,674.69
  6. Step 6: Final answer
    x = 290,927.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.