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Finding the Fourth Proportional to 473,539.08, 653,528.94 and 258,711.42

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Solution

The fourth proportional to 473,539.08, 653,528.94 and 258,711.42 is: 357,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,539.08 : 653,528.94 = 258,711.42 : x
  2. Step 2: Convert to fraction form
    473,539.08/653,528.94 = 258,711.42/x
  3. Step 3: Cross multiply
    473,539.08x = 653,528.94 × 258,711.42
  4. Step 4: Simplify right side
    473,539.08x = 169,075,400,078.50
  5. Step 5: Solve for x
    x = 169,075,400,078.50/473,539.08
  6. Step 6: Final answer
    x = 357,046.35

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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.