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Finding the Fourth Proportional to 569,946.60, 787,195.53 and 455,621.18

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Solution

The fourth proportional to 569,946.60, 787,195.53 and 455,621.18 is: 629,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,946.60 : 787,195.53 = 455,621.18 : x
  2. Step 2: Convert to fraction form
    569,946.60/787,195.53 = 455,621.18/x
  3. Step 3: Cross multiply
    569,946.60x = 787,195.53 × 455,621.18
  4. Step 4: Simplify right side
    569,946.60x = 358,662,952,333.35
  5. Step 5: Solve for x
    x = 358,662,952,333.35/569,946.60
  6. Step 6: Final answer
    x = 629,292.20

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1.5x scale

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.