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Finding the Fourth Proportional to 904,673.92, 1,248,401.28 and 502,240

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Solution

The fourth proportional to 904,673.92, 1,248,401.28 and 502,240 is: 693,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,673.92 : 1,248,401.28 = 502,240 : x
  2. Step 2: Convert to fraction form
    904,673.92/1,248,401.28 = 502,240/x
  3. Step 3: Cross multiply
    904,673.92x = 1,248,401.28 × 502,240
  4. Step 4: Simplify right side
    904,673.92x = 626,997,058,867.20
  5. Step 5: Solve for x
    x = 626,997,058,867.20/904,673.92
  6. Step 6: Final answer
    x = 693,064.15

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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.