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Finding the Fourth Proportional to 556,779.24, 768,357.41 and 302,130.45

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Solution

The fourth proportional to 556,779.24, 768,357.41 and 302,130.45 is: 416,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,779.24 : 768,357.41 = 302,130.45 : x
  2. Step 2: Convert to fraction form
    556,779.24/768,357.41 = 302,130.45/x
  3. Step 3: Cross multiply
    556,779.24x = 768,357.41 × 302,130.45
  4. Step 4: Simplify right side
    556,779.24x = 232,144,168,533.48
  5. Step 5: Solve for x
    x = 232,144,168,533.48/556,779.24
  6. Step 6: Final answer
    x = 416,941.14

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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.