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Finding the Fourth Proportional to 570,598.93, 788,246.74 and 455,726.76

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Solution

The fourth proportional to 570,598.93, 788,246.74 and 455,726.76 is: 629,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,598.93 : 788,246.74 = 455,726.76 : x
  2. Step 2: Convert to fraction form
    570,598.93/788,246.74 = 455,726.76/x
  3. Step 3: Cross multiply
    570,598.93x = 788,246.74 × 455,726.76
  4. Step 4: Simplify right side
    570,598.93x = 359,225,130,514.50
  5. Step 5: Solve for x
    x = 359,225,130,514.50/570,598.93
  6. Step 6: Final answer
    x = 629,558.01

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Why These Related Problems?

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