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Finding the Fourth Proportional to 507,419.10, 760,319.02 and 371,854.92

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Solution

The fourth proportional to 507,419.10, 760,319.02 and 371,854.92 is: 557,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,419.10 : 760,319.02 = 371,854.92 : x
  2. Step 2: Convert to fraction form
    507,419.10/760,319.02 = 371,854.92/x
  3. Step 3: Cross multiply
    507,419.10x = 760,319.02 × 371,854.92
  4. Step 4: Simplify right side
    507,419.10x = 282,728,368,356.58
  5. Step 5: Solve for x
    x = 282,728,368,356.58/507,419.10
  6. Step 6: Final answer
    x = 557,189.05

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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.