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Finding the Fourth Proportional to 475,879.35, 657,582.60 and 346,593.03

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Solution

The fourth proportional to 475,879.35, 657,582.60 and 346,593.03 is: 478,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,879.35 : 657,582.60 = 346,593.03 : x
  2. Step 2: Convert to fraction form
    475,879.35/657,582.60 = 346,593.03/x
  3. Step 3: Cross multiply
    475,879.35x = 657,582.60 × 346,593.03
  4. Step 4: Simplify right side
    475,879.35x = 227,913,544,643.07
  5. Step 5: Solve for x
    x = 227,913,544,643.07/475,879.35
  6. Step 6: Final answer
    x = 478,931.36

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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.