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Finding the Fourth Proportional to 573,046.60, 859,569.90 and 447,075.40

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Solution

The fourth proportional to 573,046.60, 859,569.90 and 447,075.40 is: 670,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,046.60 : 859,569.90 = 447,075.40 : x
  2. Step 2: Convert to fraction form
    573,046.60/859,569.90 = 447,075.40/x
  3. Step 3: Cross multiply
    573,046.60x = 859,569.90 × 447,075.40
  4. Step 4: Simplify right side
    573,046.60x = 384,292,556,870.46
  5. Step 5: Solve for x
    x = 384,292,556,870.46/573,046.60
  6. Step 6: Final answer
    x = 670,613.10

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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.