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Finding the Fourth Proportional to 528,030.53, 791,783.76 and 168,154.49

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Solution

The fourth proportional to 528,030.53, 791,783.76 and 168,154.49 is: 252,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,030.53 : 791,783.76 = 168,154.49 : x
  2. Step 2: Convert to fraction form
    528,030.53/791,783.76 = 168,154.49/x
  3. Step 3: Cross multiply
    528,030.53x = 791,783.76 × 168,154.49
  4. Step 4: Simplify right side
    528,030.53x = 133,141,994,353.08
  5. Step 5: Solve for x
    x = 133,141,994,353.08/528,030.53
  6. Step 6: Final answer
    x = 252,148.29

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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.