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Finding the Fourth Proportional to 610,701.90, 842,752.25 and 352,570.14

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Solution

The fourth proportional to 610,701.90, 842,752.25 and 352,570.14 is: 486,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,701.90 : 842,752.25 = 352,570.14 : x
  2. Step 2: Convert to fraction form
    610,701.90/842,752.25 = 352,570.14/x
  3. Step 3: Cross multiply
    610,701.90x = 842,752.25 × 352,570.14
  4. Step 4: Simplify right side
    610,701.90x = 297,129,280,697.34
  5. Step 5: Solve for x
    x = 297,129,280,697.34/610,701.90
  6. Step 6: Final answer
    x = 486,537.34

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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.