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Finding the Fourth Proportional to 454,038.27, 626,647.55 and 346,404.93

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Solution

The fourth proportional to 454,038.27, 626,647.55 and 346,404.93 is: 478,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,038.27 : 626,647.55 = 346,404.93 : x
  2. Step 2: Convert to fraction form
    454,038.27/626,647.55 = 346,404.93/x
  3. Step 3: Cross multiply
    454,038.27x = 626,647.55 × 346,404.93
  4. Step 4: Simplify right side
    454,038.27x = 217,073,800,692.42
  5. Step 5: Solve for x
    x = 217,073,800,692.42/454,038.27
  6. Step 6: Final answer
    x = 478,095.82

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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.