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Finding the Fourth Proportional to 936,457.66, 1,292,315 and 506,737.81

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Solution

The fourth proportional to 936,457.66, 1,292,315 and 506,737.81 is: 699,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,457.66 : 1,292,315 = 506,737.81 : x
  2. Step 2: Convert to fraction form
    936,457.66/1,292,315 = 506,737.81/x
  3. Step 3: Cross multiply
    936,457.66x = 1,292,315 × 506,737.81
  4. Step 4: Simplify right side
    936,457.66x = 654,864,872,930.15
  5. Step 5: Solve for x
    x = 654,864,872,930.15/936,457.66
  6. Step 6: Final answer
    x = 699,300.03

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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.