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Finding the Fourth Proportional to 902,574.90, 1,354,627.80 and 370,477.80

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Solution

The fourth proportional to 902,574.90, 1,354,627.80 and 370,477.80 is: 556,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,574.90 : 1,354,627.80 = 370,477.80 : x
  2. Step 2: Convert to fraction form
    902,574.90/1,354,627.80 = 370,477.80/x
  3. Step 3: Cross multiply
    902,574.90x = 1,354,627.80 × 370,477.80
  4. Step 4: Simplify right side
    902,574.90x = 501,859,527,162.84
  5. Step 5: Solve for x
    x = 501,859,527,162.84/902,574.90
  6. Step 6: Final answer
    x = 556,030.89

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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.