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Finding the Fourth Proportional to 570,529.20, 787,341.24 and 341,322.48

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Solution

The fourth proportional to 570,529.20, 787,341.24 and 341,322.48 is: 471,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,529.20 : 787,341.24 = 341,322.48 : x
  2. Step 2: Convert to fraction form
    570,529.20/787,341.24 = 341,322.48/x
  3. Step 3: Cross multiply
    570,529.20x = 787,341.24 × 341,322.48
  4. Step 4: Simplify right side
    570,529.20x = 268,737,264,643.08
  5. Step 5: Solve for x
    x = 268,737,264,643.08/570,529.20
  6. Step 6: Final answer
    x = 471,031.57

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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.