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Finding the Fourth Proportional to 867,045.52, 1,300,802.04 and 361,438.48

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Solution

The fourth proportional to 867,045.52, 1,300,802.04 and 361,438.48 is: 542,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,045.52 : 1,300,802.04 = 361,438.48 : x
  2. Step 2: Convert to fraction form
    867,045.52/1,300,802.04 = 361,438.48/x
  3. Step 3: Cross multiply
    867,045.52x = 1,300,802.04 × 361,438.48
  4. Step 4: Simplify right side
    867,045.52x = 470,159,912,118.50
  5. Step 5: Solve for x
    x = 470,159,912,118.50/867,045.52
  6. Step 6: Final answer
    x = 542,255.17

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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.