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Finding the Fourth Proportional to 563,907.17, 778,119.96 and 322,205.40

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Solution

The fourth proportional to 563,907.17, 778,119.96 and 322,205.40 is: 444,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,907.17 : 778,119.96 = 322,205.40 : x
  2. Step 2: Convert to fraction form
    563,907.17/778,119.96 = 322,205.40/x
  3. Step 3: Cross multiply
    563,907.17x = 778,119.96 × 322,205.40
  4. Step 4: Simplify right side
    563,907.17x = 250,714,452,959.78
  5. Step 5: Solve for x
    x = 250,714,452,959.78/563,907.17
  6. Step 6: Final answer
    x = 444,602.35

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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.