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Finding the Fourth Proportional to 480,001.60, 720,002.40 and 147,534.40

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Solution

The fourth proportional to 480,001.60, 720,002.40 and 147,534.40 is: 221,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,001.60 : 720,002.40 = 147,534.40 : x
  2. Step 2: Convert to fraction form
    480,001.60/720,002.40 = 147,534.40/x
  3. Step 3: Cross multiply
    480,001.60x = 720,002.40 × 147,534.40
  4. Step 4: Simplify right side
    480,001.60x = 106,225,122,082.56
  5. Step 5: Solve for x
    x = 106,225,122,082.56/480,001.60
  6. Step 6: Final answer
    x = 221,301.60

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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.