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Finding the Fourth Proportional to 532,130.34, 734,356.98 and 302,681.70

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Solution

The fourth proportional to 532,130.34, 734,356.98 and 302,681.70 is: 417,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,130.34 : 734,356.98 = 302,681.70 : x
  2. Step 2: Convert to fraction form
    532,130.34/734,356.98 = 302,681.70/x
  3. Step 3: Cross multiply
    532,130.34x = 734,356.98 × 302,681.70
  4. Step 4: Simplify right side
    532,130.34x = 222,276,419,113.27
  5. Step 5: Solve for x
    x = 222,276,419,113.27/532,130.34
  6. Step 6: Final answer
    x = 417,710.48

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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.