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Finding the Fourth Proportional to 847,507.68, 1,169,072.06 and 507,779.10

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Solution

The fourth proportional to 847,507.68, 1,169,072.06 and 507,779.10 is: 700,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,507.68 : 1,169,072.06 = 507,779.10 : x
  2. Step 2: Convert to fraction form
    847,507.68/1,169,072.06 = 507,779.10/x
  3. Step 3: Cross multiply
    847,507.68x = 1,169,072.06 × 507,779.10
  4. Step 4: Simplify right side
    847,507.68x = 593,630,355,923.05
  5. Step 5: Solve for x
    x = 593,630,355,923.05/847,507.68
  6. Step 6: Final answer
    x = 700,442.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.