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Finding the Fourth Proportional to 615,905.15, 843,775.88 and 592,878.34

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Solution

The fourth proportional to 615,905.15, 843,775.88 and 592,878.34 is: 812,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,905.15 : 843,775.88 = 592,878.34 : x
  2. Step 2: Convert to fraction form
    615,905.15/843,775.88 = 592,878.34/x
  3. Step 3: Cross multiply
    615,905.15x = 843,775.88 × 592,878.34
  4. Step 4: Simplify right side
    615,905.15x = 500,256,441,156.77
  5. Step 5: Solve for x
    x = 500,256,441,156.77/615,905.15
  6. Step 6: Final answer
    x = 812,229.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.