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Finding the Fourth Proportional to 592,152.40, 886,916.40 and 487,176.40

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Solution

The fourth proportional to 592,152.40, 886,916.40 and 487,176.40 is: 729,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,152.40 : 886,916.40 = 487,176.40 : x
  2. Step 2: Convert to fraction form
    592,152.40/886,916.40 = 487,176.40/x
  3. Step 3: Cross multiply
    592,152.40x = 886,916.40 × 487,176.40
  4. Step 4: Simplify right side
    592,152.40x = 432,084,738,852.96
  5. Step 5: Solve for x
    x = 432,084,738,852.96/592,152.40
  6. Step 6: Final answer
    x = 729,685.03

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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.