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Finding the Fourth Proportional to 570,528.48, 787,274.64 and 341,040.24

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Solution

The fourth proportional to 570,528.48, 787,274.64 and 341,040.24 is: 470,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,528.48 : 787,274.64 = 341,040.24 : x
  2. Step 2: Convert to fraction form
    570,528.48/787,274.64 = 341,040.24/x
  3. Step 3: Cross multiply
    570,528.48x = 787,274.64 × 341,040.24
  4. Step 4: Simplify right side
    570,528.48x = 268,492,332,171.51
  5. Step 5: Solve for x
    x = 268,492,332,171.51/570,528.48
  6. Step 6: Final answer
    x = 470,602.86

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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.