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Finding the Fourth Proportional to 623,159.80, 859,956.15 and 368,505.52

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Solution

The fourth proportional to 623,159.80, 859,956.15 and 368,505.52 is: 508,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,159.80 : 859,956.15 = 368,505.52 : x
  2. Step 2: Convert to fraction form
    623,159.80/859,956.15 = 368,505.52/x
  3. Step 3: Cross multiply
    623,159.80x = 859,956.15 × 368,505.52
  4. Step 4: Simplify right side
    623,159.80x = 316,898,588,232.95
  5. Step 5: Solve for x
    x = 316,898,588,232.95/623,159.80
  6. Step 6: Final answer
    x = 508,535.03

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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.