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Finding the Fourth Proportional to 531,046.68, 732,509.64 and 316,026.24

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Solution

The fourth proportional to 531,046.68, 732,509.64 and 316,026.24 is: 435,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,046.68 : 732,509.64 = 316,026.24 : x
  2. Step 2: Convert to fraction form
    531,046.68/732,509.64 = 316,026.24/x
  3. Step 3: Cross multiply
    531,046.68x = 732,509.64 × 316,026.24
  4. Step 4: Simplify right side
    531,046.68x = 231,492,267,292.95
  5. Step 5: Solve for x
    x = 231,492,267,292.95/531,046.68
  6. Step 6: Final answer
    x = 435,916.98

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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.