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Finding the Fourth Proportional to 219,681.40, 329,522.10 and 160,632.40

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Solution

The fourth proportional to 219,681.40, 329,522.10 and 160,632.40 is: 240,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,681.40 : 329,522.10 = 160,632.40 : x
  2. Step 2: Convert to fraction form
    219,681.40/329,522.10 = 160,632.40/x
  3. Step 3: Cross multiply
    219,681.40x = 329,522.10 × 160,632.40
  4. Step 4: Simplify right side
    219,681.40x = 52,931,925,776.04
  5. Step 5: Solve for x
    x = 52,931,925,776.04/219,681.40
  6. Step 6: Final answer
    x = 240,948.60

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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.