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Finding the Fourth Proportional to 543,501.06, 750,123.71 and 314,191.28

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Solution

The fourth proportional to 543,501.06, 750,123.71 and 314,191.28 is: 433,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,501.06 : 750,123.71 = 314,191.28 : x
  2. Step 2: Convert to fraction form
    543,501.06/750,123.71 = 314,191.28/x
  3. Step 3: Cross multiply
    543,501.06x = 750,123.71 × 314,191.28
  4. Step 4: Simplify right side
    543,501.06x = 235,682,323,281.67
  5. Step 5: Solve for x
    x = 235,682,323,281.67/543,501.06
  6. Step 6: Final answer
    x = 433,637.28

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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.