Home / 346,710.96-478,495.08-210,733.02

Finding the Fourth Proportional to 346,710.96, 478,495.08 and 210,733.02

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Solution

The fourth proportional to 346,710.96, 478,495.08 and 210,733.02 is: 290,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,710.96 : 478,495.08 = 210,733.02 : x
  2. Step 2: Convert to fraction form
    346,710.96/478,495.08 = 210,733.02/x
  3. Step 3: Cross multiply
    346,710.96x = 478,495.08 × 210,733.02
  4. Step 4: Simplify right side
    346,710.96x = 100,834,713,263.54
  5. Step 5: Solve for x
    x = 100,834,713,263.54/346,710.96
  6. Step 6: Final answer
    x = 290,832.21

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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.