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Finding the Fourth Proportional to 607,751.84, 838,152.72 and 506,113.85

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Solution

The fourth proportional to 607,751.84, 838,152.72 and 506,113.85 is: 697,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,751.84 : 838,152.72 = 506,113.85 : x
  2. Step 2: Convert to fraction form
    607,751.84/838,152.72 = 506,113.85/x
  3. Step 3: Cross multiply
    607,751.84x = 838,152.72 × 506,113.85
  4. Step 4: Simplify right side
    607,751.84x = 424,200,695,816.41
  5. Step 5: Solve for x
    x = 424,200,695,816.41/607,751.84
  6. Step 6: Final answer
    x = 697,983.41

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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.