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Finding the Fourth Proportional to 647,260.71, 893,602.98 and 575,442.36

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Solution

The fourth proportional to 647,260.71, 893,602.98 and 575,442.36 is: 794,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,260.71 : 893,602.98 = 575,442.36 : x
  2. Step 2: Convert to fraction form
    647,260.71/893,602.98 = 575,442.36/x
  3. Step 3: Cross multiply
    647,260.71x = 893,602.98 × 575,442.36
  4. Step 4: Simplify right side
    647,260.71x = 514,217,007,714.23
  5. Step 5: Solve for x
    x = 514,217,007,714.23/647,260.71
  6. Step 6: Final answer
    x = 794,451.14

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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.