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Finding the Fourth Proportional to 573,042.60, 859,563.90 and 473,315.40

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Solution

The fourth proportional to 573,042.60, 859,563.90 and 473,315.40 is: 709,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,042.60 : 859,563.90 = 473,315.40 : x
  2. Step 2: Convert to fraction form
    573,042.60/859,563.90 = 473,315.40/x
  3. Step 3: Cross multiply
    573,042.60x = 859,563.90 × 473,315.40
  4. Step 4: Simplify right side
    573,042.60x = 406,844,831,154.06
  5. Step 5: Solve for x
    x = 406,844,831,154.06/573,042.60
  6. Step 6: Final answer
    x = 709,973.10

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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.