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Finding the Fourth Proportional to 536,117.60, 803,254.80 and 349,032.80

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Solution

The fourth proportional to 536,117.60, 803,254.80 and 349,032.80 is: 522,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,117.60 : 803,254.80 = 349,032.80 : x
  2. Step 2: Convert to fraction form
    536,117.60/803,254.80 = 349,032.80/x
  3. Step 3: Cross multiply
    536,117.60x = 803,254.80 × 349,032.80
  4. Step 4: Simplify right side
    536,117.60x = 280,362,271,957.44
  5. Step 5: Solve for x
    x = 280,362,271,957.44/536,117.60
  6. Step 6: Final answer
    x = 522,949.20

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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.