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Finding the Fourth Proportional to 607,315,468.80, 910,973,203.20 and 577,588,339.20

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Solution

The fourth proportional to 607,315,468.80, 910,973,203.20 and 577,588,339.20 is: 866,382,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,315,468.80 : 910,973,203.20 = 577,588,339.20 : x
  2. Step 2: Convert to fraction form
    607,315,468.80/910,973,203.20 = 577,588,339.20/x
  3. Step 3: Cross multiply
    607,315,468.80x = 910,973,203.20 × 577,588,339.20
  4. Step 4: Simplify right side
    607,315,468.80x = 526,167,499,491,992,192
  5. Step 5: Solve for x
    x = 526,167,499,491,992,192/607,315,468.80
  6. Step 6: Final answer
    x = 866,382,508.80

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1.5x scale

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.