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Finding the Fourth Proportional to 546,088.42, 819,501.51 and 191,105.51

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Solution

The fourth proportional to 546,088.42, 819,501.51 and 191,105.51 is: 286,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,088.42 : 819,501.51 = 191,105.51 : x
  2. Step 2: Convert to fraction form
    546,088.42/819,501.51 = 191,105.51/x
  3. Step 3: Cross multiply
    546,088.42x = 819,501.51 × 191,105.51
  4. Step 4: Simplify right side
    546,088.42x = 156,611,254,014.32
  5. Step 5: Solve for x
    x = 156,611,254,014.32/546,088.42
  6. Step 6: Final answer
    x = 286,787.36

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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.