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Finding the Fourth Proportional to 585,655,279.32, 808,219,159.32 and 321,337,202.28

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Solution

The fourth proportional to 585,655,279.32, 808,219,159.32 and 321,337,202.28 is: 443,453,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,655,279.32 : 808,219,159.32 = 321,337,202.28 : x
  2. Step 2: Convert to fraction form
    585,655,279.32/808,219,159.32 = 321,337,202.28/x
  3. Step 3: Cross multiply
    585,655,279.32x = 808,219,159.32 × 321,337,202.28
  4. Step 4: Simplify right side
    585,655,279.32x = 259,710,883,484,982,368
  5. Step 5: Solve for x
    x = 259,710,883,484,982,368/585,655,279.32
  6. Step 6: Final answer
    x = 443,453,500.13

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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.