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Finding the Fourth Proportional to 474,860.04, 655,307.01 and 260,013.72

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Solution

The fourth proportional to 474,860.04, 655,307.01 and 260,013.72 is: 358,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,860.04 : 655,307.01 = 260,013.72 : x
  2. Step 2: Convert to fraction form
    474,860.04/655,307.01 = 260,013.72/x
  3. Step 3: Cross multiply
    474,860.04x = 655,307.01 × 260,013.72
  4. Step 4: Simplify right side
    474,860.04x = 170,388,813,412.18
  5. Step 5: Solve for x
    x = 170,388,813,412.18/474,860.04
  6. Step 6: Final answer
    x = 358,819.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.