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Finding the Fourth Proportional to 570,418.74, 787,549.23 and 366,548.22

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Solution

The fourth proportional to 570,418.74, 787,549.23 and 366,548.22 is: 506,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,418.74 : 787,549.23 = 366,548.22 : x
  2. Step 2: Convert to fraction form
    570,418.74/787,549.23 = 366,548.22/x
  3. Step 3: Cross multiply
    570,418.74x = 787,549.23 × 366,548.22
  4. Step 4: Simplify right side
    570,418.74x = 288,674,768,418.87
  5. Step 5: Solve for x
    x = 288,674,768,418.87/570,418.74
  6. Step 6: Final answer
    x = 506,075.18

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1.5x scale

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.