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Finding the Fourth Proportional to 351,484.04, 527,261.52 and 98,765.12

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Solution

The fourth proportional to 351,484.04, 527,261.52 and 98,765.12 is: 148,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,484.04 : 527,261.52 = 98,765.12 : x
  2. Step 2: Convert to fraction form
    351,484.04/527,261.52 = 98,765.12/x
  3. Step 3: Cross multiply
    351,484.04x = 527,261.52 × 98,765.12
  4. Step 4: Simplify right side
    351,484.04x = 52,075,047,294.18
  5. Step 5: Solve for x
    x = 52,075,047,294.18/351,484.04
  6. Step 6: Final answer
    x = 148,157.64

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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.