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Finding the Fourth Proportional to 480,417.81, 720,656.43 and 160,598.46

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Solution

The fourth proportional to 480,417.81, 720,656.43 and 160,598.46 is: 240,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,417.81 : 720,656.43 = 160,598.46 : x
  2. Step 2: Convert to fraction form
    480,417.81/720,656.43 = 160,598.46/x
  3. Step 3: Cross multiply
    480,417.81x = 720,656.43 × 160,598.46
  4. Step 4: Simplify right side
    480,417.81x = 115,736,312,847.10
  5. Step 5: Solve for x
    x = 115,736,312,847.10/480,417.81
  6. Step 6: Final answer
    x = 240,907.62

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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.