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Finding the Fourth Proportional to 507,429.44, 700,253.52 and 281,070.08

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Solution

The fourth proportional to 507,429.44, 700,253.52 and 281,070.08 is: 387,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,429.44 : 700,253.52 = 281,070.08 : x
  2. Step 2: Convert to fraction form
    507,429.44/700,253.52 = 281,070.08/x
  3. Step 3: Cross multiply
    507,429.44x = 700,253.52 × 281,070.08
  4. Step 4: Simplify right side
    507,429.44x = 196,820,312,886.68
  5. Step 5: Solve for x
    x = 196,820,312,886.68/507,429.44
  6. Step 6: Final answer
    x = 387,877.20

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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.