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Finding the Fourth Proportional to 532,242.50, 798,582.99 and 390,810.02

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Solution

The fourth proportional to 532,242.50, 798,582.99 and 390,810.02 is: 586,376.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,242.50 : 798,582.99 = 390,810.02 : x
  2. Step 2: Convert to fraction form
    532,242.50/798,582.99 = 390,810.02/x
  3. Step 3: Cross multiply
    532,242.50x = 798,582.99 × 390,810.02
  4. Step 4: Simplify right side
    532,242.50x = 312,094,234,293.56
  5. Step 5: Solve for x
    x = 312,094,234,293.56/532,242.50
  6. Step 6: Final answer
    x = 586,376.01

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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.