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Finding the Fourth Proportional to 586,271, 808,985.89 and 328,162.32

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Solution

The fourth proportional to 586,271, 808,985.89 and 328,162.32 is: 452,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,271 : 808,985.89 = 328,162.32 : x
  2. Step 2: Convert to fraction form
    586,271/808,985.89 = 328,162.32/x
  3. Step 3: Cross multiply
    586,271x = 808,985.89 × 328,162.32
  4. Step 4: Simplify right side
    586,271x = 265,478,686,509.67
  5. Step 5: Solve for x
    x = 265,478,686,509.67/586,271
  6. Step 6: Final answer
    x = 452,825.89

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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.