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Finding the Fourth Proportional to 507,221.53, 760,547.27 and 347,477.58

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Solution

The fourth proportional to 507,221.53, 760,547.27 and 347,477.58 is: 521,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,221.53 : 760,547.27 = 347,477.58 : x
  2. Step 2: Convert to fraction form
    507,221.53/760,547.27 = 347,477.58/x
  3. Step 3: Cross multiply
    507,221.53x = 760,547.27 × 347,477.58
  4. Step 4: Simplify right side
    507,221.53x = 264,273,125,723.90
  5. Step 5: Solve for x
    x = 264,273,125,723.90/507,221.53
  6. Step 6: Final answer
    x = 521,021.11

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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.