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Finding the Fourth Proportional to 540,368.15, 810,551.13 and 507,485.24

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Solution

The fourth proportional to 540,368.15, 810,551.13 and 507,485.24 is: 761,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,368.15 : 810,551.13 = 507,485.24 : x
  2. Step 2: Convert to fraction form
    540,368.15/810,551.13 = 507,485.24/x
  3. Step 3: Cross multiply
    540,368.15x = 810,551.13 × 507,485.24
  4. Step 4: Simplify right side
    540,368.15x = 411,342,730,687.57
  5. Step 5: Solve for x
    x = 411,342,730,687.57/540,368.15
  6. Step 6: Final answer
    x = 761,226.83

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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.