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Finding the Fourth Proportional to 908,061.90, 1,361,574.45 and 374,952.30

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Solution

The fourth proportional to 908,061.90, 1,361,574.45 and 374,952.30 is: 562,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,061.90 : 1,361,574.45 = 374,952.30 : x
  2. Step 2: Convert to fraction form
    908,061.90/1,361,574.45 = 374,952.30/x
  3. Step 3: Cross multiply
    908,061.90x = 1,361,574.45 × 374,952.30
  4. Step 4: Simplify right side
    908,061.90x = 510,525,471,648.74
  5. Step 5: Solve for x
    x = 510,525,471,648.74/908,061.90
  6. Step 6: Final answer
    x = 562,214.39

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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.