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Finding the Fourth Proportional to 554,108.90, 831,210.51 and 174,928.20

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Solution

The fourth proportional to 554,108.90, 831,210.51 and 174,928.20 is: 262,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,108.90 : 831,210.51 = 174,928.20 : x
  2. Step 2: Convert to fraction form
    554,108.90/831,210.51 = 174,928.20/x
  3. Step 3: Cross multiply
    554,108.90x = 831,210.51 × 174,928.20
  4. Step 4: Simplify right side
    554,108.90x = 145,402,158,335.38
  5. Step 5: Solve for x
    x = 145,402,158,335.38/554,108.90
  6. Step 6: Final answer
    x = 262,407.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.