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Finding the Fourth Proportional to 347,017.50, 520,526.52 and 97,699.50

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Solution

The fourth proportional to 347,017.50, 520,526.52 and 97,699.50 is: 146,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,017.50 : 520,526.52 = 97,699.50 : x
  2. Step 2: Convert to fraction form
    347,017.50/520,526.52 = 97,699.50/x
  3. Step 3: Cross multiply
    347,017.50x = 520,526.52 × 97,699.50
  4. Step 4: Simplify right side
    347,017.50x = 50,855,180,740.74
  5. Step 5: Solve for x
    x = 50,855,180,740.74/347,017.50
  6. Step 6: Final answer
    x = 146,549.33

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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.