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Finding the Fourth Proportional to 609,712.20, 912,818.70 and 592,216.20

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Solution

The fourth proportional to 609,712.20, 912,818.70 and 592,216.20 is: 886,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,712.20 : 912,818.70 = 592,216.20 : x
  2. Step 2: Convert to fraction form
    609,712.20/912,818.70 = 592,216.20/x
  3. Step 3: Cross multiply
    609,712.20x = 912,818.70 × 592,216.20
  4. Step 4: Simplify right side
    609,712.20x = 540,586,021,802.94
  5. Step 5: Solve for x
    x = 540,586,021,802.94/609,712.20
  6. Step 6: Final answer
    x = 886,624.91

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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.