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Finding the Fourth Proportional to 570,059.32, 786,339.14 and 376,468.82

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Solution

The fourth proportional to 570,059.32, 786,339.14 and 376,468.82 is: 519,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,059.32 : 786,339.14 = 376,468.82 : x
  2. Step 2: Convert to fraction form
    570,059.32/786,339.14 = 376,468.82/x
  3. Step 3: Cross multiply
    570,059.32x = 786,339.14 × 376,468.82
  4. Step 4: Simplify right side
    570,059.32x = 296,032,168,155.62
  5. Step 5: Solve for x
    x = 296,032,168,155.62/570,059.32
  6. Step 6: Final answer
    x = 519,300.64

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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.