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Finding the Fourth Proportional to 573,177.60, 859,547.70 and 173,685.60

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Solution

The fourth proportional to 573,177.60, 859,547.70 and 173,685.60 is: 260,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,177.60 : 859,547.70 = 173,685.60 : x
  2. Step 2: Convert to fraction form
    573,177.60/859,547.70 = 173,685.60/x
  3. Step 3: Cross multiply
    573,177.60x = 859,547.70 × 173,685.60
  4. Step 4: Simplify right side
    573,177.60x = 149,291,058,003.12
  5. Step 5: Solve for x
    x = 149,291,058,003.12/573,177.60
  6. Step 6: Final answer
    x = 260,462.13

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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.