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Finding the Fourth Proportional to 488,068.84, 671,502.18 and 430,457.32

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Solution

The fourth proportional to 488,068.84, 671,502.18 and 430,457.32 is: 592,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,068.84 : 671,502.18 = 430,457.32 : x
  2. Step 2: Convert to fraction form
    488,068.84/671,502.18 = 430,457.32/x
  3. Step 3: Cross multiply
    488,068.84x = 671,502.18 × 430,457.32
  4. Step 4: Simplify right side
    488,068.84x = 289,053,028,776.96
  5. Step 5: Solve for x
    x = 289,053,028,776.96/488,068.84
  6. Step 6: Final answer
    x = 592,238.24

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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.