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Finding the Fourth Proportional to 944,492.80, 1,303,428.51 and 514,800.76

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Solution

The fourth proportional to 944,492.80, 1,303,428.51 and 514,800.76 is: 710,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,492.80 : 1,303,428.51 = 514,800.76 : x
  2. Step 2: Convert to fraction form
    944,492.80/1,303,428.51 = 514,800.76/x
  3. Step 3: Cross multiply
    944,492.80x = 1,303,428.51 × 514,800.76
  4. Step 4: Simplify right side
    944,492.80x = 671,005,987,553.67
  5. Step 5: Solve for x
    x = 671,005,987,553.67/944,492.80
  6. Step 6: Final answer
    x = 710,440.55

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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.