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Finding the Fourth Proportional to 356,607.63, 535,577.67 and 313,928.19

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Solution

The fourth proportional to 356,607.63, 535,577.67 and 313,928.19 is: 471,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,607.63 : 535,577.67 = 313,928.19 : x
  2. Step 2: Convert to fraction form
    356,607.63/535,577.67 = 313,928.19/x
  3. Step 3: Cross multiply
    356,607.63x = 535,577.67 × 313,928.19
  4. Step 4: Simplify right side
    356,607.63x = 168,132,928,547.52
  5. Step 5: Solve for x
    x = 168,132,928,547.52/356,607.63
  6. Step 6: Final answer
    x = 471,478.77

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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.