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Finding the Fourth Proportional to 369,549.30, 554,319.10 and 89,064.12

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Solution

The fourth proportional to 369,549.30, 554,319.10 and 89,064.12 is: 133,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,549.30 : 554,319.10 = 89,064.12 : x
  2. Step 2: Convert to fraction form
    369,549.30/554,319.10 = 89,064.12/x
  3. Step 3: Cross multiply
    369,549.30x = 554,319.10 × 89,064.12
  4. Step 4: Simplify right side
    369,549.30x = 49,369,942,840.69
  5. Step 5: Solve for x
    x = 49,369,942,840.69/369,549.30
  6. Step 6: Final answer
    x = 133,595.01

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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.