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Finding the Fourth Proportional to 676,510.48, 932,836.35 and 431,106.49

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Solution

The fourth proportional to 676,510.48, 932,836.35 and 431,106.49 is: 594,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,510.48 : 932,836.35 = 431,106.49 : x
  2. Step 2: Convert to fraction form
    676,510.48/932,836.35 = 431,106.49/x
  3. Step 3: Cross multiply
    676,510.48x = 932,836.35 × 431,106.49
  4. Step 4: Simplify right side
    676,510.48x = 402,151,804,592.91
  5. Step 5: Solve for x
    x = 402,151,804,592.91/676,510.48
  6. Step 6: Final answer
    x = 594,450.23

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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.